diff --git a/Gemfile.lock b/Gemfile.lock
index 90e8c8f..3729abc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,7 +65,7 @@ GEM
       ffi (~> 1.0)
     rouge (3.10.0)
     ruby_dep (1.5.0)
-    rubyzip (1.2.4)
+    rubyzip (2.3.2)
     safe_yaml (1.0.5)
     sass (3.7.4)
       sass-listen (~> 4.0.0)