diff --git a/Gemfile.lock b/Gemfile.lock
index 62f54d6..11aebf4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GEM
     diff-lcs (1.1.3)
     mocha (0.9.8)
       rake
-    rake (0.9.2.2)
+    rake (13.0.3)
     redis (2.2.2)
     rspec (2.9.0)
       rspec-core (~> 2.9.0)