diff --git a/src/deps/src/lua-resty-signal/.travis.yml b/src/deps/src/lua-resty-signal/.travis.yml
index f1a77323a..22d9fe56e 100644
--- a/src/deps/src/lua-resty-signal/.travis.yml
+++ b/src/deps/src/lua-resty-signal/.travis.yml
@@ -1,5 +1,9 @@
 sudo: required
-dist: xenial
+dist: focal
+
+branches:
+  only:
+    - "master"
 
 os: linux
 
@@ -7,7 +11,6 @@ language: c
 
 compiler:
   - gcc
-  - clang
 
 env:
   global:
@@ -18,7 +21,7 @@ env:
     - LUAJIT_INC=$LUAJIT_PREFIX/include/luajit-2.1
     - LD_LIBRARY_PATH=$LUAJIT_LIB:$LD_LIBRARY_PATH
   matrix:
-    - NGINX_VERSION=1.19.3
+    - NGINX_VERSION=1.27.0
 
 install:
   - sudo apt-get install -qq -y cpanminus axel
@@ -40,7 +43,7 @@ script:
   - cd ..
   - export PATH=$PWD/work/nginx/sbin:$PWD/nginx-devel-utils:$PATH
   - export NGX_BUILD_CC=$CC
-  - ngx-build $NGINX_VERSION --with-http_realip_module --add-module=../ndk-nginx-module --add-module=../lua-nginx-module --with-debug > build.log 2>&1 || (cat build.log && exit 1)
+  - ngx-build $NGINX_VERSION --without-pcre2 --with-http_realip_module --add-module=../ndk-nginx-module --add-module=../lua-nginx-module --with-debug > build.log 2>&1 || (cat build.log && exit 1)
   - nginx -V
   - ldd `which nginx`|grep -E 'luajit|ssl|pcre'
-  - prove -r t
+  - prove -I. -r t
diff --git a/src/deps/src/lua-resty-signal/lib/resty/signal.lua b/src/deps/src/lua-resty-signal/lib/resty/signal.lua
index ad11596c1..a1af15abc 100644
--- a/src/deps/src/lua-resty-signal/lib/resty/signal.lua
+++ b/src/deps/src/lua-resty-signal/lib/resty/signal.lua
@@ -1,5 +1,5 @@
 local _M = {
-    version = 0.03
+    version = 0.04
 }
 
 
@@ -32,6 +32,10 @@ do
         local i = 1
 
         for k, _ in string_gmatch(cpath, "[^;]+") do
+            if k == "?.so" then
+                k = "./"
+            end
+
             local fpath = string_match(k, "(.*/)")
             fpath = fpath .. so_name
             -- Don't get me wrong, the only way to know if a file exist is