diff --git a/Gemfile.lock b/Gemfile.lock
index 4de9cff..e55970c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.4.0)
     rspec-support (3.4.1)
-    rubyzip (1.1.7)
+    rubyzip (1.3.0)
     selenium-webdriver (2.51.0)
       childprocess (~> 0.5)
       multi_json (~> 1.0)