diff --git a/Gemfile.lock b/Gemfile.lock
index 9a16ae8..46d9a55 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -77,7 +77,7 @@ GEM
       ffi (~> 1.0)
     rouge (3.3.0)
     ruby_dep (1.5.0)
-    rubyzip (1.2.2)
+    rubyzip (2.3.2)
     safe_yaml (1.0.5)
     sass (3.7.3)
       sass-listen (~> 4.0.0)