diff --git a/Gemfile.lock b/Gemfile.lock
index 89a1cd4..9919d1d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -34,7 +34,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    rake (12.0.0)
+    rake (12.3.3)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)