diff --git a/Gemfile.lock b/Gemfile.lock
index 1dee354..399969a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -224,7 +224,7 @@ GEM
     rouge (2.2.1)
     ruby-enum (0.7.1)
       i18n
-    rubyzip (1.2.1)
+    rubyzip (2.3.0)
     s3_website (3.4.0)
       colored (= 1.2)
       configure-s3-website (= 2.3.0)