diff --git a/Gemfile b/Gemfile
index b13895a..27f1bdb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -31,4 +31,4 @@ gem 'coffee-script', '~> 2.4', '>= 2.4.1'
 
 # Code syntax highlighting
 gem 'middleman-syntax', '3.0.0'
-gem 'redcarpet', '3.4.0'
+gem 'redcarpet', '3.5.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index 6a9b5f5..fd13569 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,7 +106,7 @@ GEM
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
-    redcarpet (3.4.0)
+    redcarpet (3.5.1)
     rouge (2.2.1)
     sass (3.4.25)
     servolux (0.13.0)
@@ -137,7 +137,7 @@ DEPENDENCIES
   middleman-syntax (= 3.0.0)
   puma (~> 3.11)
   rack-contrib (~> 1.5)
-  redcarpet (= 3.4.0)
+  redcarpet (= 3.5.1)
   slim (~> 3.0, >= 3.0.8)
   tzinfo-data
   wdm (= 0.1.1)