diff --git a/Gemfile.lock b/Gemfile.lock
index 0c0dc63..8b34418 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,7 +117,7 @@ GEM
       activesupport (>= 3.0)
       railties (>= 3.0)
       rspec (~> 2.9.0)
-    rubyzip (0.9.8)
+    rubyzip (2.3.2)
     selenium-webdriver (2.22.0)
       childprocess (>= 0.2.5)
       ffi (~> 1.0)