diff --git a/Gemfile b/Gemfile
index a1d627a356aa..0100d53ded3d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ group :development do
   gem 'rake', '~> 10.0'
   gem 'jekyll', '~> 3.0'
   gem 'pygments.rb', '~> 0.6.3'
-  gem 'rdiscount', '~> 2.0'
+  gem 'rdiscount', '~> 2.2'
   gem 'RedCloth', '~> 4.2'
   gem 'haml', '~> 4.0'
   gem 'compass', '~> 0.12'
diff --git a/Gemfile.lock b/Gemfile.lock
index a64797568a6c..e07a92bebc08 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
-    rdiscount (2.2.0.1)
+    rdiscount (2.2.7)
     redcarpet (3.3.4)
     ref (2.0.0)
     rouge (1.11.1)
@@ -130,7 +130,7 @@ DEPENDENCIES
   pygments.rb (~> 0.6.3)
   rake (~> 10.0)
   rb-fsevent (~> 0.9)
-  rdiscount (~> 2.0)
+  rdiscount (~> 2.2)
   rubypants (~> 0.2)
   sass-globbing (~> 1.0)
   sinatra (~> 1.4.2)