diff --git a/docs/api/Gemfile b/docs/api/Gemfile
index e3102fd..56fab78 100644
--- a/docs/api/Gemfile
+++ b/docs/api/Gemfile
@@ -6,5 +6,5 @@ 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 'opal'
diff --git a/docs/api/Gemfile.lock b/docs/api/Gemfile.lock
index a52b524..08d3f98 100644
--- a/docs/api/Gemfile.lock
+++ b/docs/api/Gemfile.lock
@@ -98,7 +98,7 @@ 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 (2.0.7)
     sass (3.4.25)
     servolux (0.13.0)
@@ -124,7 +124,7 @@ DEPENDENCIES
   middleman-sprockets (~> 4.1.0)
   middleman-syntax (~> 3.0.0)
   opal
-  redcarpet (~> 3.4.0)
+  redcarpet (~> 3.5.1)
   rouge (~> 2.0.5)
 
 BUNDLED WITH