diff --git a/Gemfile.lock b/Gemfile.lock
index 3739ee5..ac3304b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
     rspec-expectations (2.13.0)
       diff-lcs (>= 1.1.3, < 2.0)
     rspec-mocks (2.13.1)
-    rubyzip (0.9.9)
+    rubyzip (2.0.0)
     selenium-webdriver (2.33.0)
       childprocess (>= 0.2.5)
       multi_json (~> 1.0)