diff --git a/Gemfile.lock b/Gemfile.lock
index cbcee356060..940faa6fee6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rouge (3.17.0)
+    rouge (3.18.0)
     ruby-enum (0.8.0)
       i18n
     ruby2_keywords (0.0.2)