diff --git a/gunrock/docs/Gemfile b/gunrock/docs/Gemfile
index 6c8967f..2d1e1a8 100644
--- a/gunrock/docs/Gemfile
+++ b/gunrock/docs/Gemfile
@@ -7,5 +7,5 @@ gem 'middleman-syntax', '~> 3.0.0'
 gem 'middleman-autoprefixer', '~> 2.7.0'
 gem 'middleman-sprockets', '~> 4.1.0'
 gem 'rouge', '~> 2.0.5'
-gem 'redcarpet', '~> 3.4.0'
+gem 'redcarpet', '~> 3.5.1'
 gem 'nokogiri', '~> 1.8.5'
diff --git a/gunrock/docs/Gemfile.lock b/gunrock/docs/Gemfile.lock
index 91f654c..29975f3 100644
--- a/gunrock/docs/Gemfile.lock
+++ b/gunrock/docs/Gemfile.lock
@@ -95,7 +95,7 @@ GEM
     rb-fsevent (0.9.8)
     rb-inotify (0.9.8)
       ffi (>= 0.5.0)
-    redcarpet (3.4.0)
+    redcarpet (3.5.1)
     rouge (2.0.7)
     sass (3.4.23)
     servolux (0.12.0)
@@ -119,7 +119,7 @@ DEPENDENCIES
   middleman-sprockets (~> 4.1.0)
   middleman-syntax (~> 3.0.0)
   nokogiri (~> 1.8.5)
-  redcarpet (~> 3.4.0)
+  redcarpet (~> 3.5.1)
   rouge (~> 2.0.5)
 
 RUBY VERSION