diff --git a/Gemfile.lock b/Gemfile.lock
index 5a10b6f..007ef7c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,7 +65,7 @@ GEM
     rspec-expectations (2.5.0)
       diff-lcs (~> 1.1.2)
     rspec-mocks (2.5.0)
-    rubyzip (0.9.4)
+    rubyzip (2.0.0)
     selenium-webdriver (0.1.3)
       childprocess (~> 0.1.5)
       ffi (~> 0.6.3)