diff --git a/Gemfile.lock b/Gemfile.lock
index a86c40c..9ed696c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -118,7 +118,7 @@ GEM
       activesupport (= 4.2.5)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.0.0)
+    rake (13.0.1)
     rdoc (4.3.0)
     responders (2.3.0)
       railties (>= 4.2.0, < 5.1)