diff --git a/Gemfile.lock b/Gemfile.lock
index 79a1618..0d3acd7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -135,7 +135,7 @@ GEM
     rspec-expectations (2.12.1)
       diff-lcs (~> 1.1.3)
     rspec-mocks (2.12.2)
-    rubyzip (0.9.9)
+    rubyzip (2.0.0)
     selenium-webdriver (2.29.0)
       childprocess (>= 0.2.5)
       multi_json (~> 1.0)