diff --git a/Gemfile.lock b/Gemfile.lock
index 21d6dd9..f1f1684 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -162,7 +162,7 @@ GEM
       activesupport (= 4.2.5.1)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.5.0)
+    rake (13.0.1)
     rdoc (4.2.1)
     ref (2.0.0)
     responders (2.1.1)