diff --git a/Gemfile.lock b/Gemfile.lock
index b3e650b..98fa5fc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -151,7 +151,7 @@ GEM
       method_source (~> 0.8.1)
       slop (~> 3.4)
     rainbow (2.1.0)
-    rake (11.3.0)
+    rake (12.3.3)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)