diff --git a/Gemfile.lock b/Gemfile.lock
index 8d537a8..2d211e6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,7 +97,7 @@ GEM
       method_source (~> 0.8.1)
       slop (~> 3.4)
     rainbow (2.2.1)
-    rake (12.0.0)
+    rake (12.3.1)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.8)
       ffi (>= 0.5.0)