diff --git a/Gemfile.lock b/Gemfile.lock
index d6c674f..91c5ffc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -130,7 +130,7 @@ GEM
     rake (10.0.4)
     rdoc (3.12.2)
       json (~> 1.4)
-    rubyzip (0.9.9)
+    rubyzip (1.3.0)
     sass (3.2.8)
     sass-rails (3.2.6)
       railties (~> 3.2.0)