diff --git a/Gemfile.lock b/Gemfile.lock
index e03980a..9ff4c66 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
       json (~> 1.4)
     ruby_parser (2.3.1)
       sexp_processor (~> 3.0)
-    rubyzip (0.9.9)
+    rubyzip (1.3.0)
     sass (3.1.20)
     selenium-webdriver (2.25.0)
       childprocess (>= 0.2.5)