diff --git a/Gemfile.lock b/Gemfile.lock
index 59f7840..b6debd1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -185,7 +185,7 @@ GEM
       activesupport (~> 3.0)
       railties (~> 3.0)
       rspec (~> 2.7.0)
-    rubyzip (0.9.9)
+    rubyzip (1.3.0)
     sass (3.1.20)
     sass-rails (3.1.6)
       actionpack (~> 3.1.0)