diff --git a/Gemfile.lock b/Gemfile.lock
index 0f3f2ec..129f636 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,7 +19,7 @@ GEM
       pry (>= 0.9)
       yard (>= 0.8)
     rake (10.1.1)
-    redcarpet (3.0.0)
+    redcarpet (3.5.1)
     rest-client (1.6.7)
       mime-types (>= 1.16)
     rspec (2.14.1)