diff --git a/Gemfile.lock b/Gemfile.lock
index ed08959..d97d209 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
       slop (~> 3.4)
     rainbow (2.2.2)
       rake
-    rake (12.0.0)
+    rake (12.3.1)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)