diff --git a/Gemfile.lock b/Gemfile.lock
index c591456..277538c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
       activesupport (= 4.0.4)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.2.2)
+    rake (13.0.1)
     rspec-core (2.14.8)
     rspec-expectations (2.14.5)
       diff-lcs (>= 1.1.3, < 2.0)