diff --git a/Gemfile.lock b/Gemfile.lock
index 0da61518..c8066eec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,7 +97,7 @@ GEM
       yajl-ruby
     oj (2.0.9)
     plist (3.1.0)
-    redcarpet (2.2.2)
+    redcarpet (3.5.1)
     rest-client (1.6.7)
       mime-types (>= 1.16)
     retryable (1.3.2)