diff --git a/Changes.md b/Changes.md
index 6b7366d0b..db4806792 100644
--- a/Changes.md
+++ b/Changes.md
@@ -2,6 +2,12 @@
 
 All notable changes to `lua-resty-session` will be documented in this file.
 
+
+## [4.0.5] - 2023-08-16
+### Fixed
+- fix(dshm/memcached): add a missing return parameter as otherwise pool parameters are not respected, fix #171
+
+
 ## [4.0.4] - 2023-06-05
 ### Changed
 - chore(utils): remove dependency for lua_pack, fix #158
diff --git a/docs/index.html b/docs/index.html
index 1d4320c86..71e267ae7 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -29,6 +29,7 @@
 
 
 
+
 <h2>Modules</h2>
 <ul class="nowrap">
   <li><a href="modules/resty.session.html">resty.session</a></li>
@@ -119,8 +120,8 @@
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/ldoc.css b/docs/ldoc.css
index 52c4ad2bd..f945ae708 100644
--- a/docs/ldoc.css
+++ b/docs/ldoc.css
@@ -294,6 +294,7 @@ pre .library { color: #0e7c6b; }
 pre .marker { color: #512b1e; background: #fedc56; font-weight: bold; }
 pre .string { color: #8080ff; }
 pre .number { color: #f8660d; }
+pre .function-name { color: #60447f; }
 pre .operator { color: #2239a8; font-weight: bold; }
 pre .preprocessor, pre .prepro { color: #a33243; }
 pre .global { color: #800080; }
diff --git a/docs/modules/resty.session.dshm.html b/docs/modules/resty.session.dshm.html
index 7ed27d7fe..d3cd72203 100644
--- a/docs/modules/resty.session.dshm.html
+++ b/docs/modules/resty.session.dshm.html
@@ -26,6 +26,7 @@
 <br/>
 <h1>resty.session</h1>
 
+
 <ul>
   <li><a href="../index.html">Index</a></li>
 </ul>
@@ -389,8 +390,8 @@
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/resty.session.file.html b/docs/modules/resty.session.file.html
index 15c26d0d4..b52888753 100644
--- a/docs/modules/resty.session.file.html
+++ b/docs/modules/resty.session.file.html
@@ -26,6 +26,7 @@
 <br/>
 <h1>resty.session</h1>
 
+
 <ul>
   <li><a href="../index.html">Index</a></li>
 </ul>
@@ -359,8 +360,8 @@
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/resty.session.file.thread.html b/docs/modules/resty.session.file.thread.html
index 65585f2ed..ae830e5c9 100644
--- a/docs/modules/resty.session.file.thread.html
+++ b/docs/modules/resty.session.file.thread.html
@@ -26,6 +26,7 @@
 <br/>
 <h1>resty.session</h1>
 
+
 <ul>
   <li><a href="../index.html">Index</a></li>
 </ul>
@@ -323,8 +324,8 @@
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/resty.session.file.utils.html b/docs/modules/resty.session.file.utils.html
index 1f87560f3..57a02403c 100644
--- a/docs/modules/resty.session.file.utils.html
+++ b/docs/modules/resty.session.file.utils.html
@@ -26,6 +26,7 @@
 <br/>
 <h1>resty.session</h1>
 
+
 <ul>
   <li><a href="../index.html">Index</a></li>
 </ul>
@@ -342,8 +343,8 @@
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/resty.session.html b/docs/modules/resty.session.html
index 62c95db4d..f5b3e6a24 100644
--- a/docs/modules/resty.session.html
+++ b/docs/modules/resty.session.html
@@ -26,6 +26,7 @@
 <br/>
 <h1>resty.session</h1>
 
+
 <ul>
   <li><a href="../index.html">Index</a></li>
 </ul>
@@ -315,12 +316,12 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> session, err, exists = <span class="global">require</span> <span class="string">"resty.session"</span>.open()
+        <pre class="example"><span class="keyword">local</span> session, err, exists = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">open</span>()
 <span class="keyword">if</span> <span class="keyword">not</span> exists <span class="keyword">then</span>
-  session:set_data({
+  session:<span class="function-name">set_data</span>({
     cart = {},
   })
-  session:save()
+  session:<span class="function-name">save</span>()
 <span class="keyword">end</span></pre>
     </ul>
 
@@ -345,10 +346,10 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> session, err, exists = <span class="global">require</span> <span class="string">"resty.session"</span>.open()
+        <pre class="example"><span class="keyword">local</span> session, err, exists = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">open</span>()
 <span class="keyword">if</span> exists <span class="keyword">then</span>
-  <span class="keyword">local</span> data = session:get_data()
-  ngx.req.set_header(<span class="string">"Authorization"</span>, <span class="string">"Bearer "</span> .. data.access_token)
+  <span class="keyword">local</span> data = session:<span class="function-name">get_data</span>()
+  ngx.req.<span class="function-name">set_header</span>(<span class="string">"Authorization"</span>, <span class="string">"Bearer "</span> .. data.access_token)
 <span class="keyword">end</span></pre>
     </ul>
 
@@ -409,10 +410,10 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> session, err, exists = <span class="global">require</span> <span class="string">"resty.session"</span>.open()
+        <pre class="example"><span class="keyword">local</span> session, err, exists = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">open</span>()
 <span class="keyword">if</span> exists <span class="keyword">then</span>
-  <span class="keyword">local</span> access_token = session:get(<span class="string">"access-token"</span>)
-  ngx.req.set_header(<span class="string">"Authorization"</span>, <span class="string">"Bearer "</span> .. access_token)
+  <span class="keyword">local</span> access_token = session:<span class="function-name">get</span>(<span class="string">"access-token"</span>)
+  ngx.req.<span class="function-name">set_header</span>(<span class="string">"Authorization"</span>, <span class="string">"Bearer "</span> .. access_token)
 <span class="keyword">end</span></pre>
     </ul>
 
@@ -438,8 +439,8 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> session = <span class="global">require</span> <span class="string">"resty.session"</span>.new()
-session.set_audience(<span class="string">"my-service"</span>)</pre>
+        <pre class="example"><span class="keyword">local</span> session = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">new</span>()
+session.<span class="function-name">set_audience</span>(<span class="string">"my-service"</span>)</pre>
     </ul>
 
 </dd>
@@ -484,8 +485,8 @@ session.set_audience(<span class="string">"my-service"</span>)</pre>
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> session = <span class="global">require</span> <span class="string">"resty.session"</span>.new()
-session.set_subject(<span class="string">"john@doe.com"</span>)</pre>
+        <pre class="example"><span class="keyword">local</span> session = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">new</span>()
+session.<span class="function-name">set_subject</span>(<span class="string">"john@doe.com"</span>)</pre>
     </ul>
 
 </dd>
@@ -509,9 +510,9 @@ session.set_subject(<span class="string">"john@doe.com"</span>)</pre>
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> session, err, exists = <span class="global">require</span> <span class="string">"resty.session"</span>.open()
+        <pre class="example"><span class="keyword">local</span> session, err, exists = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">open</span>()
 <span class="keyword">if</span> exists <span class="keyword">then</span>
-  <span class="keyword">local</span> subject = session.get_subject()
+  <span class="keyword">local</span> subject = session.<span class="function-name">get_subject</span>()
 <span class="keyword">end</span></pre>
     </ul>
 
@@ -546,9 +547,9 @@ session.set_subject(<span class="string">"john@doe.com"</span>)</pre>
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> session, err, exists = <span class="global">require</span> <span class="string">"resty.session"</span>.open()
+        <pre class="example"><span class="keyword">local</span> session, err, exists = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">open</span>()
 <span class="keyword">if</span> exists <span class="keyword">then</span>
-  <span class="keyword">local</span> timeout = session.get_property(<span class="string">"timeout"</span>)
+  <span class="keyword">local</span> timeout = session.<span class="function-name">get_property</span>(<span class="string">"timeout"</span>)
 <span class="keyword">end</span></pre>
     </ul>
 
@@ -1037,7 +1038,7 @@ session.set_subject(<span class="string">"john@doe.com"</span>)</pre>
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="global">require</span> <span class="string">"resty.session"</span>.init({
+        <pre class="example"><span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">init</span>({
   audience = <span class="string">"my-application"</span>,
   storage = <span class="string">"redis"</span>,
   redis = {
@@ -1082,9 +1083,9 @@ session.set_subject(<span class="string">"john@doe.com"</span>)</pre>
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> session = <span class="global">require</span> <span class="string">"resty.session"</span>.new()
+        <pre class="example"><span class="keyword">local</span> session = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">new</span>()
 <span class="comment">-- OR
-</span><span class="keyword">local</span> session = <span class="global">require</span> <span class="string">"resty.session"</span>.new({
+</span><span class="keyword">local</span> session = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">new</span>({
   audience = <span class="string">"my-application"</span>,
 })</pre>
     </ul>
@@ -1131,9 +1132,9 @@ session.set_subject(<span class="string">"john@doe.com"</span>)</pre>
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> session = <span class="global">require</span> <span class="string">"resty.session"</span>.open()
+        <pre class="example"><span class="keyword">local</span> session = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">open</span>()
 <span class="comment">-- OR
-</span><span class="keyword">local</span> session, err, exists = <span class="global">require</span> <span class="string">"resty.session"</span>.open({
+</span><span class="keyword">local</span> session, err, exists = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">open</span>({
   audience = <span class="string">"my-application"</span>,
 })</pre>
     </ul>
@@ -1180,9 +1181,9 @@ session.set_subject(<span class="string">"john@doe.com"</span>)</pre>
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> session = <span class="global">require</span> <span class="string">"resty.session"</span>.start()
+        <pre class="example"><span class="keyword">local</span> session = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">start</span>()
 <span class="comment">-- OR
-</span><span class="keyword">local</span> session, err, exists, refreshed = <span class="global">require</span> <span class="string">"resty.session"</span>.start({
+</span><span class="keyword">local</span> session, err, exists, refreshed = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">start</span>({
   audience = <span class="string">"my-application"</span>,
 })</pre>
     </ul>
@@ -1238,9 +1239,9 @@ session.set_subject(<span class="string">"john@doe.com"</span>)</pre>
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="global">require</span> <span class="string">"resty.session"</span>.logout()
+        <pre class="example"><span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">logout</span>()
 <span class="comment">-- OR
-</span><span class="keyword">local</span> ok, err, exists, logged_out = <span class="global">require</span> <span class="string">"resty.session"</span>.logout({
+</span><span class="keyword">local</span> ok, err, exists, logged_out = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">logout</span>({
   audience = <span class="string">"my-application"</span>,
 })</pre>
     </ul>
@@ -1285,9 +1286,9 @@ session.set_subject(<span class="string">"john@doe.com"</span>)</pre>
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="global">require</span> <span class="string">"resty.session"</span>.destroy()
+        <pre class="example"><span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">destroy</span>()
 <span class="comment">-- OR
-</span><span class="keyword">local</span> ok, err, exists, destroyed = <span class="global">require</span> <span class="string">"resty.session"</span>.destroy({
+</span><span class="keyword">local</span> ok, err, exists, destroyed = <span class="global">require</span> <span class="string">"resty.session"</span>.<span class="function-name">destroy</span>({
   cookie_name = <span class="string">"auth"</span>,
 })</pre>
     </ul>
@@ -1299,8 +1300,8 @@ session.set_subject(<span class="string">"john@doe.com"</span>)</pre>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/resty.session.memcached.html b/docs/modules/resty.session.memcached.html
index 6fd39b8fb..893659a14 100644
--- a/docs/modules/resty.session.memcached.html
+++ b/docs/modules/resty.session.memcached.html
@@ -26,6 +26,7 @@
 <br/>
 <h1>resty.session</h1>
 
+
 <ul>
   <li><a href="../index.html">Index</a></li>
 </ul>
@@ -392,8 +393,8 @@
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/resty.session.mysql.html b/docs/modules/resty.session.mysql.html
index 1c5a88540..2e4a91bf7 100644
--- a/docs/modules/resty.session.mysql.html
+++ b/docs/modules/resty.session.mysql.html
@@ -26,6 +26,7 @@
 <br/>
 <h1>resty.session</h1>
 
+
 <ul>
   <li><a href="../index.html">Index</a></li>
 </ul>
@@ -430,12 +431,12 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example">CREATE TABLE IF NOT EXISTS sessions (
-  sid  CHAR(<span class="number">43</span>) PRIMARY KEY,
-  name VARCHAR(<span class="number">255</span>),
+        <pre class="example">CREATE TABLE IF NOT EXISTS <span class="function-name">sessions</span> (
+  sid  <span class="function-name">CHAR</span>(<span class="number">43</span>) PRIMARY KEY,
+  name <span class="function-name">VARCHAR</span>(<span class="number">255</span>),
   data MEDIUMTEXT,
   exp  DATETIME,
-  INDEX (exp)
+  <span class="function-name">INDEX</span> (exp)
 ) CHARACTER SET ascii;</pre>
     </ul>
 
@@ -456,12 +457,12 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example">CREATE TABLE IF NOT EXISTS sessions_meta (
-  aud VARCHAR(<span class="number">255</span>),
-  sub VARCHAR(<span class="number">255</span>),
-  sid CHAR(<span class="number">43</span>),
-  PRIMARY KEY (aud, sub, sid),
-  CONSTRAINT FOREIGN KEY (sid) REFERENCES sessions(sid) ON DELETE CASCADE ON UPDATE CASCADE
+        <pre class="example">CREATE TABLE IF NOT EXISTS <span class="function-name">sessions_meta</span> (
+  aud <span class="function-name">VARCHAR</span>(<span class="number">255</span>),
+  sub <span class="function-name">VARCHAR</span>(<span class="number">255</span>),
+  sid <span class="function-name">CHAR</span>(<span class="number">43</span>),
+  PRIMARY <span class="function-name">KEY</span> (aud, sub, sid),
+  CONSTRAINT FOREIGN <span class="function-name">KEY</span> (sid) REFERENCES <span class="function-name">sessions</span>(sid) ON DELETE CASCADE ON UPDATE CASCADE
 ) CHARACTER SET ascii;</pre>
     </ul>
 
@@ -472,8 +473,8 @@
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/resty.session.postgres.html b/docs/modules/resty.session.postgres.html
index 89e4935e8..667ebf51f 100644
--- a/docs/modules/resty.session.postgres.html
+++ b/docs/modules/resty.session.postgres.html
@@ -26,6 +26,7 @@
 <br/>
 <h1>resty.session</h1>
 
+
 <ul>
   <li><a href="../index.html">Index</a></li>
 </ul>
@@ -427,13 +428,13 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example">CREATE TABLE IF NOT EXISTS sessions (
+        <pre class="example">CREATE TABLE IF NOT EXISTS <span class="function-name">sessions</span> (
   sid  TEXT PRIMARY KEY,
   name TEXT,
   data TEXT,
   exp  TIMESTAMP WITH TIME ZONE
 );
-CREATE INDEX ON sessions (exp);</pre>
+CREATE INDEX ON <span class="function-name">sessions</span> (exp);</pre>
     </ul>
 
 </dd>
@@ -453,11 +454,11 @@ CREATE INDEX ON sessions (exp);</pre>
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example">CREATE TABLE IF NOT EXISTS sessions_meta (
+        <pre class="example">CREATE TABLE IF NOT EXISTS <span class="function-name">sessions_meta</span> (
   aud TEXT,
   sub TEXT,
-  sid TEXT REFERENCES sessions (sid) ON DELETE CASCADE ON UPDATE CASCADE,
-  PRIMARY KEY (aud, sub, sid)
+  sid TEXT REFERENCES <span class="function-name">sessions</span> (sid) ON DELETE CASCADE ON UPDATE CASCADE,
+  PRIMARY <span class="function-name">KEY</span> (aud, sub, sid)
 );</pre>
     </ul>
 
@@ -468,8 +469,8 @@ CREATE INDEX ON sessions (exp);</pre>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/resty.session.redis.cluster.html b/docs/modules/resty.session.redis.cluster.html
index 9b569b0cc..ad6e2c5a6 100644
--- a/docs/modules/resty.session.redis.cluster.html
+++ b/docs/modules/resty.session.redis.cluster.html
@@ -26,6 +26,7 @@
 <br/>
 <h1>resty.session</h1>
 
+
 <ul>
   <li><a href="../index.html">Index</a></li>
 </ul>
@@ -455,8 +456,8 @@
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/resty.session.redis.common.html b/docs/modules/resty.session.redis.common.html
index c633c0362..6c48cc0d6 100644
--- a/docs/modules/resty.session.redis.common.html
+++ b/docs/modules/resty.session.redis.common.html
@@ -26,6 +26,7 @@
 <br/>
 <h1>resty.session</h1>
 
+
 <ul>
   <li><a href="../index.html">Index</a></li>
 </ul>
@@ -313,8 +314,8 @@
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/resty.session.redis.html b/docs/modules/resty.session.redis.html
index 788f9873c..bfad95012 100644
--- a/docs/modules/resty.session.redis.html
+++ b/docs/modules/resty.session.redis.html
@@ -26,6 +26,7 @@
 <br/>
 <h1>resty.session</h1>
 
+
 <ul>
   <li><a href="../index.html">Index</a></li>
 </ul>
@@ -401,8 +402,8 @@
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/resty.session.redis.sentinel.html b/docs/modules/resty.session.redis.sentinel.html
index 04db82164..94cfe0d09 100644
--- a/docs/modules/resty.session.redis.sentinel.html
+++ b/docs/modules/resty.session.redis.sentinel.html
@@ -26,6 +26,7 @@
 <br/>
 <h1>resty.session</h1>
 
+
 <ul>
   <li><a href="../index.html">Index</a></li>
 </ul>
@@ -452,8 +453,8 @@
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/resty.session.shm.html b/docs/modules/resty.session.shm.html
index 91acef2db..ea438f215 100644
--- a/docs/modules/resty.session.shm.html
+++ b/docs/modules/resty.session.shm.html
@@ -26,6 +26,7 @@
 <br/>
 <h1>resty.session</h1>
 
+
 <ul>
   <li><a href="../index.html">Index</a></li>
 </ul>
@@ -356,8 +357,8 @@
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/resty.session.utils.html b/docs/modules/resty.session.utils.html
index 4e5befb72..f464e3d67 100644
--- a/docs/modules/resty.session.utils.html
+++ b/docs/modules/resty.session.utils.html
@@ -26,6 +26,7 @@
 <br/>
 <h1>resty.session</h1>
 
+
 <ul>
   <li><a href="../index.html">Index</a></li>
 </ul>
@@ -215,7 +216,7 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> is_fips = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.is_fips_mode()</pre>
+        <pre class="example"><span class="keyword">local</span> is_fips = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.<span class="function-name">is_fips_mode</span>()</pre>
     </ul>
 
 </dd>
@@ -267,8 +268,8 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> packed_128 = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.bpack(<span class="number">1</span>, <span class="number">128</span>)
-<span class="keyword">local</span> packed_now = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.bpack(<span class="number">8</span>, ngx.time())</pre>
+        <pre class="example"><span class="keyword">local</span> packed_128 = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.<span class="function-name">bpack</span>(<span class="number">1</span>, <span class="number">128</span>)
+<span class="keyword">local</span> packed_now = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.<span class="function-name">bpack</span>(<span class="number">8</span>, ngx.<span class="function-name">time</span>())</pre>
     </ul>
 
 </dd>
@@ -322,8 +323,8 @@
     <ul>
         <pre class="example"><span class="keyword">local</span> utils = <span class="global">require</span> <span class="string">"resty.session.utils"</span>
 <span class="keyword">local</span> value = <span class="number">128</span>
-<span class="keyword">local</span> packed_value = utils.bpack(<span class="number">1</span>, value)
-<span class="keyword">local</span> unpacked_value = utils.bunpack(<span class="number">1</span>, packed_value)
+<span class="keyword">local</span> packed_value = utils.<span class="function-name">bpack</span>(<span class="number">1</span>, value)
+<span class="keyword">local</span> unpacked_value = utils.<span class="function-name">bunpack</span>(<span class="number">1</span>, packed_value)
 <span class="global">print</span>(value == unpacked_value) <span class="comment">-- true</span></pre>
     </ul>
 
@@ -368,7 +369,7 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> trimmed = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.trim(<span class="string">"  hello world  "</span>)</pre>
+        <pre class="example"><span class="keyword">local</span> trimmed = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.<span class="function-name">trim</span>(<span class="string">"  hello world  "</span>)</pre>
     </ul>
 
 </dd>
@@ -399,7 +400,7 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> json = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.encode_json({ hello = <span class="string">"world"</span> })</pre>
+        <pre class="example"><span class="keyword">local</span> json = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.<span class="function-name">encode_json</span>({ hello = <span class="string">"world"</span> })</pre>
     </ul>
 
 </dd>
@@ -430,7 +431,7 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> tbl = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.decode_json(<span class="string">'{ "hello": "world" }'</span>)</pre>
+        <pre class="example"><span class="keyword">local</span> tbl = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.<span class="function-name">decode_json</span>(<span class="string">'{ "hello": "world" }'</span>)</pre>
     </ul>
 
 </dd>
@@ -461,7 +462,7 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> encoded = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.encode_base64url(<span class="string">"test"</span>)</pre>
+        <pre class="example"><span class="keyword">local</span> encoded = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.<span class="function-name">encode_base64url</span>(<span class="string">"test"</span>)</pre>
     </ul>
 
 </dd>
@@ -493,8 +494,8 @@
     <h3>Usage:</h3>
     <ul>
         <pre class="example"><span class="keyword">local</span> utils = <span class="global">require</span> <span class="string">"resty.session.utils"</span>
-<span class="keyword">local</span> encoded = utils.encode_base64url(<span class="string">"test"</span>)
-<span class="keyword">local</span> decoded = utils.decode_base64url(encoded)</pre>
+<span class="keyword">local</span> encoded = utils.<span class="function-name">encode_base64url</span>(<span class="string">"test"</span>)
+<span class="keyword">local</span> decoded = utils.<span class="function-name">decode_base64url</span>(encoded)</pre>
     </ul>
 
 </dd>
@@ -526,7 +527,7 @@
     <h3>Usage:</h3>
     <ul>
         <pre class="example"><span class="keyword">local</span> test = <span class="string">"test"</span>
-<span class="keyword">local</span> b64len = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.base64_size(#test)</pre>
+<span class="keyword">local</span> b64len = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.<span class="function-name">base64_size</span>(#test)</pre>
     </ul>
 
 </dd>
@@ -558,7 +559,7 @@
     <h3>Usage:</h3>
     <ul>
         <pre class="example"><span class="keyword">local</span> test = <span class="string">"test"</span>
-<span class="keyword">local</span> deflated = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.deflate((<span class="string">"a"</span>):rep(<span class="number">100</span>))</pre>
+<span class="keyword">local</span> deflated = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.<span class="function-name">deflate</span>((<span class="string">"a"</span>):<span class="function-name">rep</span>(<span class="number">100</span>))</pre>
     </ul>
 
 </dd>
@@ -590,8 +591,8 @@
     <h3>Usage:</h3>
     <ul>
         <pre class="example"><span class="keyword">local</span> utils = <span class="global">require</span> <span class="string">"resty.session.utils"</span>
-<span class="keyword">local</span> deflated = utils.deflate((<span class="string">"a"</span>):rep(<span class="number">100</span>))
-<span class="keyword">local</span> inflated = utils.inflate(deflated)</pre>
+<span class="keyword">local</span> deflated = utils.<span class="function-name">deflate</span>((<span class="string">"a"</span>):<span class="function-name">rep</span>(<span class="number">100</span>))
+<span class="keyword">local</span> inflated = utils.<span class="function-name">inflate</span>(deflated)</pre>
     </ul>
 
 </dd>
@@ -625,7 +626,7 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> bytes = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.rand_bytes(<span class="number">32</span>)</pre>
+        <pre class="example"><span class="keyword">local</span> bytes = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.<span class="function-name">rand_bytes</span>(<span class="number">32</span>)</pre>
     </ul>
 
 </dd>
@@ -659,7 +660,7 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> hash, err = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.sha256(<span class="string">"hello world"</span>)</pre>
+        <pre class="example"><span class="keyword">local</span> hash, err = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.<span class="function-name">sha256</span>(<span class="string">"hello world"</span>)</pre>
     </ul>
 
 </dd>
@@ -706,9 +707,9 @@
     <h3>Usage:</h3>
     <ul>
         <pre class="example"><span class="keyword">local</span> utils = <span class="global">require</span> <span class="string">"resty.session.utils"</span>
-<span class="keyword">local</span> ikm = utils.rand_bytes(<span class="number">32</span>)
-<span class="keyword">local</span> nonce = utils.rand_bytes(<span class="number">32</span>)
-<span class="keyword">local</span> key, err = utils.derive_hkdf_sha256(ikm, nonce, <span class="string">"encryption"</span>, <span class="number">32</span>)</pre>
+<span class="keyword">local</span> ikm = utils.<span class="function-name">rand_bytes</span>(<span class="number">32</span>)
+<span class="keyword">local</span> nonce = utils.<span class="function-name">rand_bytes</span>(<span class="number">32</span>)
+<span class="keyword">local</span> key, err = utils.<span class="function-name">derive_hkdf_sha256</span>(ikm, nonce, <span class="string">"encryption"</span>, <span class="number">32</span>)</pre>
     </ul>
 
 </dd>
@@ -760,8 +761,8 @@
     <ul>
         <pre class="example"><span class="keyword">local</span> utils = <span class="global">require</span> <span class="string">"resty.session.utils"</span>
 <span class="keyword">local</span> pass = <span class="string">"my-super-secret-password"</span>
-<span class="keyword">local</span> salt = utils.rand_bytes(<span class="number">32</span>)
-<span class="keyword">local</span> key, err = utils.derive_pbkdf2_hmac_sha256(pass, salt, <span class="string">"encryption"</span>, <span class="number">32</span>, <span class="number">10000</span>)</pre>
+<span class="keyword">local</span> salt = utils.<span class="function-name">rand_bytes</span>(<span class="number">32</span>)
+<span class="keyword">local</span> key, err = utils.<span class="function-name">derive_pbkdf2_hmac_sha256</span>(pass, salt, <span class="string">"encryption"</span>, <span class="number">32</span>, <span class="number">10000</span>)</pre>
     </ul>
 
 </dd>
@@ -815,9 +816,9 @@
     <h3>Usage:</h3>
     <ul>
         <pre class="example"><span class="keyword">local</span> utils = <span class="global">require</span> <span class="string">"resty.session.utils"</span>
-<span class="keyword">local</span> ikm = utils.rand_bytes(<span class="number">32</span>)
-<span class="keyword">local</span> nonce = utils.rand_bytes(<span class="number">32</span>)
-<span class="keyword">local</span> key, err, iv = utils.derive_aes_gcm_256_key_and_iv(ikm, nonce, <span class="string">"Medium"</span>)</pre>
+<span class="keyword">local</span> ikm = utils.<span class="function-name">rand_bytes</span>(<span class="number">32</span>)
+<span class="keyword">local</span> nonce = utils.<span class="function-name">rand_bytes</span>(<span class="number">32</span>)
+<span class="keyword">local</span> key, err, iv = utils.<span class="function-name">derive_aes_gcm_256_key_and_iv</span>(ikm, nonce, <span class="string">"Medium"</span>)</pre>
     </ul>
 
 </dd>
@@ -857,9 +858,9 @@
     <h3>Usage:</h3>
     <ul>
         <pre class="example"><span class="keyword">local</span> utils = <span class="global">require</span> <span class="string">"resty.session.utils"</span>
-<span class="keyword">local</span> ikm = utils.rand_bytes(<span class="number">32</span>)
-<span class="keyword">local</span> nonce = utils.rand_bytes(<span class="number">32</span>)
-<span class="keyword">local</span> key, err = utils.derive_hmac_sha256_key(ikm, nonce)</pre>
+<span class="keyword">local</span> ikm = utils.<span class="function-name">rand_bytes</span>(<span class="number">32</span>)
+<span class="keyword">local</span> nonce = utils.<span class="function-name">rand_bytes</span>(<span class="number">32</span>)
+<span class="keyword">local</span> key, err = utils.<span class="function-name">derive_hmac_sha256_key</span>(ikm, nonce)</pre>
     </ul>
 
 </dd>
@@ -909,10 +910,10 @@
     <h3>Usage:</h3>
     <ul>
         <pre class="example"><span class="keyword">local</span> utils = <span class="global">require</span> <span class="string">"resty.session.utils"</span>
-<span class="keyword">local</span> ikm = utils.rand_bytes(<span class="number">32</span>)
-<span class="keyword">local</span> nonce = utils.rand_bytes(<span class="number">32</span>)
-<span class="keyword">local</span> key, err, iv = utils.derive_aes_gcm_256_key_and_iv(ikm, nonce)
-<span class="keyword">local</span> enc, err, tag = utils.encrypt_aes_256_gcm(key, iv, <span class="string">"hello"</span>, <span class="string">"john@doe.com"</span>)</pre>
+<span class="keyword">local</span> ikm = utils.<span class="function-name">rand_bytes</span>(<span class="number">32</span>)
+<span class="keyword">local</span> nonce = utils.<span class="function-name">rand_bytes</span>(<span class="number">32</span>)
+<span class="keyword">local</span> key, err, iv = utils.<span class="function-name">derive_aes_gcm_256_key_and_iv</span>(ikm, nonce)
+<span class="keyword">local</span> enc, err, tag = utils.<span class="function-name">encrypt_aes_256_gcm</span>(key, iv, <span class="string">"hello"</span>, <span class="string">"john@doe.com"</span>)</pre>
     </ul>
 
 </dd>
@@ -963,11 +964,11 @@
     <h3>Usage:</h3>
     <ul>
         <pre class="example"><span class="keyword">local</span> utils = <span class="global">require</span> <span class="string">"resty.session.utils"</span>
-<span class="keyword">local</span> ikm = utils.rand_bytes(<span class="number">32</span>)
-<span class="keyword">local</span> nonce = utils.rand_bytes(<span class="number">32</span>)
-<span class="keyword">local</span> key, err, iv = utils.derive_aes_gcm_256_key_and_iv(ikm, nonce)
-<span class="keyword">local</span> enc, err, tag = utils.encrypt_aes_256_gcm(key, iv, <span class="string">"hello"</span>, <span class="string">"john@doe.com"</span>)
-<span class="keyword">local</span> out, err = utils.decrypt_aes_256_gcm(key, iv, ciphertext, <span class="string">"john@doe.com"</span>, tag)</pre>
+<span class="keyword">local</span> ikm = utils.<span class="function-name">rand_bytes</span>(<span class="number">32</span>)
+<span class="keyword">local</span> nonce = utils.<span class="function-name">rand_bytes</span>(<span class="number">32</span>)
+<span class="keyword">local</span> key, err, iv = utils.<span class="function-name">derive_aes_gcm_256_key_and_iv</span>(ikm, nonce)
+<span class="keyword">local</span> enc, err, tag = utils.<span class="function-name">encrypt_aes_256_gcm</span>(key, iv, <span class="string">"hello"</span>, <span class="string">"john@doe.com"</span>)
+<span class="keyword">local</span> out, err = utils.<span class="function-name">decrypt_aes_256_gcm</span>(key, iv, ciphertext, <span class="string">"john@doe.com"</span>, tag)</pre>
     </ul>
 
 </dd>
@@ -1006,10 +1007,10 @@
     <h3>Usage:</h3>
     <ul>
         <pre class="example"><span class="keyword">local</span> utils = <span class="global">require</span> <span class="string">"resty.session.utils"</span>
-<span class="keyword">local</span> ikm = utils.rand_bytes(<span class="number">32</span>)
-<span class="keyword">local</span> nonce = utils.rand_bytes(<span class="number">32</span>)
-<span class="keyword">local</span> key, err = utils.derive_hmac_sha256_key(ikm, nonce)
-<span class="keyword">local</span> mac, err = utils.hmac_sha256(key, <span class="string">"hello"</span>)</pre>
+<span class="keyword">local</span> ikm = utils.<span class="function-name">rand_bytes</span>(<span class="number">32</span>)
+<span class="keyword">local</span> nonce = utils.<span class="function-name">rand_bytes</span>(<span class="number">32</span>)
+<span class="keyword">local</span> key, err = utils.<span class="function-name">derive_hmac_sha256_key</span>(ikm, nonce)
+<span class="keyword">local</span> mac, err = utils.<span class="function-name">hmac_sha256</span>(key, <span class="string">"hello"</span>)</pre>
     </ul>
 
 </dd>
@@ -1048,7 +1049,7 @@
 
     <h3>Usage:</h3>
     <ul>
-        <pre class="example"><span class="keyword">local</span> postgres = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.load_storage(<span class="string">"postgres"</span>, {
+        <pre class="example"><span class="keyword">local</span> postgres = <span class="global">require</span> <span class="string">"resty.session.utils"</span>.<span class="function-name">load_storage</span>(<span class="string">"postgres"</span>, {
   postgres = {
     host = <span class="string">"127.0.0.1"</span>,
   }
@@ -1094,9 +1095,9 @@
     <ul>
         <pre class="example"><span class="keyword">local</span> utils = <span class="global">require</span> <span class="string">"resty.session.utils"</span>
 <span class="keyword">local</span> test = <span class="string">"aaaa"</span>
-<span class="keyword">local</span> data, err = utils.deflate(test)
+<span class="keyword">local</span> data, err = utils.<span class="function-name">deflate</span>(test)
 <span class="keyword">if</span> <span class="keyword">not</span> data <span class="keyword">then</span>
-  <span class="global">print</span>(utils.errmsg(err, <span class="string">"unable to deflate data '%s'"</span>, test)
+  <span class="global">print</span>(utils.<span class="function-name">errmsg</span>(err, <span class="string">"unable to deflate data '%s'"</span>, test)
 <span class="keyword">end</span></pre>
     </ul>
 
@@ -1173,7 +1174,7 @@
     <ul>
         <pre class="example"><span class="keyword">local</span> flags = <span class="number">0x0000</span>
 <span class="keyword">local</span> FLAG_DOG = <span class="number">0x001</span>
-flags = utils.set_flag(flags, FLAG_DOG)</pre>
+flags = utils.<span class="function-name">set_flag</span>(flags, FLAG_DOG)</pre>
     </ul>
 
 </dd>
@@ -1210,8 +1211,8 @@ flags = utils.set_flag(flags, FLAG_DOG)</pre>
     <ul>
         <pre class="example"><span class="keyword">local</span> options = <span class="number">0x0000</span>
 <span class="keyword">local</span> FLAG_DOG = <span class="number">0x001</span>
-flags = utils.set_flag(options, FLAG_DOG)
-flags = utils.unset_flag(options, FLAG_DOG)</pre>
+flags = utils.<span class="function-name">set_flag</span>(options, FLAG_DOG)
+flags = utils.<span class="function-name">unset_flag</span>(options, FLAG_DOG)</pre>
     </ul>
 
 </dd>
@@ -1249,9 +1250,9 @@ flags = utils.unset_flag(options, FLAG_DOG)</pre>
         <pre class="example"><span class="keyword">local</span> flags = <span class="number">0x0000</span>
 <span class="keyword">local</span> FLAG_DOG = <span class="number">0x001</span>
 <span class="keyword">local</span> FLAG_BONE = <span class="number">0x010</span>
-flags = utils.set_flag(flags, FLAG_DOG)
-flags = utils.set_flag(flags, FLAG_BONE)
-<span class="global">print</span>(utils.has_flag(flags, FLAG_BONE)</pre>
+flags = utils.<span class="function-name">set_flag</span>(flags, FLAG_DOG)
+flags = utils.<span class="function-name">set_flag</span>(flags, FLAG_BONE)
+<span class="global">print</span>(utils.<span class="function-name">has_flag</span>(flags, FLAG_BONE)</pre>
     </ul>
 
 </dd>
@@ -1362,8 +1363,8 @@ flags = utils.set_flag(flags, FLAG_BONE)
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2023-06-05 17:05:22 </i>
+<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2023-08-16 18:11:28 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/lib/resty/session.lua b/lib/resty/session.lua
index c9449e91b..b9fce5ad3 100644
--- a/lib/resty/session.lua
+++ b/lib/resty/session.lua
@@ -2194,7 +2194,7 @@ end
 
 
 local session = {
-  _VERSION = "4.0.4",
+  _VERSION = "4.0.5",
   metatable = metatable,
 }
 
diff --git a/lib/resty/session/dshm.lua b/lib/resty/session/dshm.lua
index 325564d0a..7a6ef1c23 100644
--- a/lib/resty/session/dshm.lua
+++ b/lib/resty/session/dshm.lua
@@ -309,7 +309,7 @@ function storage.new(configuration)
   local server_name       = configuration and configuration.server_name
 
   if pool or pool_size or backlog then
-    setmetatable({
+    return setmetatable({
       prefix = prefix,
       suffix = suffix,
       host = host,
diff --git a/lib/resty/session/memcached.lua b/lib/resty/session/memcached.lua
index ab82a3296..86ad3dff3 100644
--- a/lib/resty/session/memcached.lua
+++ b/lib/resty/session/memcached.lua
@@ -354,7 +354,7 @@ function storage.new(configuration)
   local server_name       = configuration and configuration.server_name
 
   if pool or pool_size or backlog then
-    setmetatable({
+    return setmetatable({
       prefix = prefix,
       suffix = suffix,
       host = host,
diff --git a/lua-resty-session-4.0.4-1.rockspec b/lua-resty-session-4.0.5-1.rockspec
similarity index 97%
rename from lua-resty-session-4.0.4-1.rockspec
rename to lua-resty-session-4.0.5-1.rockspec
index d080bbe3b..c99e8d927 100644
--- a/lua-resty-session-4.0.4-1.rockspec
+++ b/lua-resty-session-4.0.5-1.rockspec
@@ -1,8 +1,8 @@
 package = "lua-resty-session"
-version = "4.0.4-1"
+version = "4.0.5-1"
 source = {
   url = "git+https://github.com/bungle/lua-resty-session.git",
-  tag = "v4.0.4",
+  tag = "v4.0.5",
 }
 description = {
   summary = "Session Library for OpenResty - Flexible and Secure",
diff --git a/spec/01-utils_spec.lua b/spec/01-utils_spec.lua
index bb96cba51..95cb53c79 100644
--- a/spec/01-utils_spec.lua
+++ b/spec/01-utils_spec.lua
@@ -136,4 +136,50 @@ describe("Testing utils", function()
       end
     end)
   end)
+  describe("load_storage", function()
+    -- "dshm" is disabled as it currently cannot be checked by CI
+    for _, strategy in ipairs({ "memcached", "mysql", "postgres", "redis" }) do
+      it("respects pool parameters #" .. strategy, function()
+        local storage = assert(utils.load_storage(strategy, {
+          [strategy] = {
+            pool = "doge",
+            pool_size = 10,
+            backlog = 20,
+          },
+        }))
+
+        assert.equal("doge", storage.options.pool)
+        assert.equal(10, storage.options.pool_size)
+        assert.equal(20, storage.options.backlog)
+      end)
+    end
+    it("respects pool parameters #redis-sentinel", function()
+      local storage = assert(utils.load_storage("redis", {
+        redis = {
+          pool = "doge",
+          pool_size = 10,
+          backlog = 20,
+          sentinels = {},
+        },
+      }))
+
+      assert.equal("doge", storage.connector.config.connection_options.pool)
+      assert.equal(10, storage.connector.config.connection_options.pool_size)
+      assert.equal(20, storage.connector.config.connection_options.backlog)
+    end)
+    it("respects pool parameters #redis-cluster", function()
+      local storage = assert(utils.load_storage("redis", {
+        redis = {
+          pool = "doge",
+          pool_size = 10,
+          backlog = 20,
+          nodes = {},
+        },
+      }))
+
+      assert.equal("doge", storage.options.connect_opts.pool)
+      assert.equal(10, storage.options.connect_opts.pool_size)
+      assert.equal(20, storage.options.connect_opts.backlog)
+    end)
+  end)
 end)