diff --git a/Gemfile.lock b/Gemfile.lock
index c01079b..97204ae 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -154,7 +154,7 @@ GEM
       activesupport (>= 3.0)
       railties (>= 3.0)
       rspec (~> 2.8.0)
-    rubyzip (0.9.9)
+    rubyzip (1.3.0)
     sass (3.1.19)
     sass-rails (3.2.5)
       railties (~> 3.2.0)