diff --git a/Gemfile.lock b/Gemfile.lock
index 5e0d0b68..f7b8c412 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,7 @@ GEM
       ffi (>= 0.5.0)
     rb-kqueue (0.2.0)
       ffi (>= 0.5.0)
-    redcarpet (3.0.0)
+    redcarpet (3.5.1)
     rouge (0.3.10)
       thor
     ruby-hmac (0.4.0)