diff --git a/Gemfile.lock b/Gemfile.lock
index 6ced855..8db9f1b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -108,7 +108,7 @@ GEM
       activesupport (>= 3.0)
       railties (>= 3.0)
       rspec (~> 2.8.0)
-    rubyzip (0.9.5)
+    rubyzip (1.3.0)
     selenium-webdriver (2.16.0)
       childprocess (>= 0.2.5)
       ffi (~> 1.0.9)