diff --git a/Gemfile.lock b/Gemfile.lock
index 79e8ebc..4d3e8b0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -148,7 +148,7 @@ GEM
       activesupport (~> 3.0)
       railties (~> 3.0)
       rspec (~> 2.6.0)
-    rubyzip (0.9.4)
+    rubyzip (1.3.0)
     sass (3.1.10)
     sass-rails (3.1.4)
       actionpack (~> 3.1.0)