diff --git a/Gemfile.lock b/Gemfile.lock
index 3822f12..3e21a92 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -119,7 +119,7 @@ GEM
       activesupport (>= 3.0)
       railties (>= 3.0)
       rspec (~> 2.9.0)
-    rubyzip (0.9.7)
+    rubyzip (2.3.2)
     sass (3.1.15)
     sass-rails (3.2.5)
       railties (~> 3.2.0)