diff --git a/Gemfile.lock b/Gemfile.lock
index 6d96f33..2033885 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -108,7 +108,7 @@ GEM
       activesupport (>= 3.0)
       railties (>= 3.0)
       rspec (~> 2.10.0)
-    rubyzip (0.9.9)
+    rubyzip (1.3.0)
     sass (3.1.20)
     sass-rails (3.2.4)
       railties (~> 3.2.0)