diff --git a/Gemfile.lock b/Gemfile.lock
index 7cdfe7a..1181af5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -99,7 +99,7 @@ GEM
     rdoc (3.12)
       json (~> 1.4)
     rr (1.0.4)
-    rubyzip (0.9.9)
+    rubyzip (2.0.0)
     sass (3.1.20)
     sass-rails (3.2.3)
       railties (~> 3.2.0.beta)