diff --git a/Gemfile.lock b/Gemfile.lock
index 7351298..5142af4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,7 +21,7 @@ GEM
       activeresource (= 2.3.14)
       activesupport (= 2.3.14)
       rake (>= 0.8.3)
-    rake (10.0.2)
+    rake (13.0.1)
     rmagick (2.13.1)
     will_paginate (2.3.11)