diff --git a/Gemfile.lock b/Gemfile.lock
index cfdf4352..c4ac8e02 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
     httpclient (2.8.3)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    json (2.2.0)
+    json (2.3.1)
     kramdown (1.17.0)
     mini_portile2 (2.4.0)
     minitest (5.13.0)