diff --git a/Gemfile.lock b/Gemfile.lock
index a7e02f9..096cc99 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -27,7 +27,7 @@ GEM
     rack-test (0.6.1)
       rack (>= 1.0)
     rdiscount (1.6.8)
-    rubyzip (0.9.6.1)
+    rubyzip (1.3.0)
     selenium-webdriver (2.19.0)
       childprocess (>= 0.2.5)
       ffi (~> 1.0.9)