diff --git a/Gemfile b/Gemfile
index 37e94e3b7..60984fd14 100644
--- a/Gemfile
+++ b/Gemfile
@@ -43,7 +43,7 @@ platforms :mri, :mingw, :x64_mingw do
 
   # Optional Markdown support, not for JRuby
   group :markdown do
-    gem "redcarpet", "~> 3.5.0"
+    gem 'redcarpet', '~> 3.5.1'
   end
 end