diff --git a/Gemfile.lock b/Gemfile.lock
index 75c8f02..7c0ee31 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ GEM
   specs:
     diff-lcs (1.2.1)
     json (1.7.7)
-    rake (10.0.3)
+    rake (12.3.3)
     rspec (2.13.0)
       rspec-core (~> 2.13.0)
       rspec-expectations (~> 2.13.0)