diff --git a/Gemfile.lock b/Gemfile.lock
index 7fb117d..906869c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
       ffi (>= 0.5.0, < 2)
     rouge (3.1.1)
     ruby_dep (1.5.0)
-    rubyzip (1.2.1)
+    rubyzip (2.3.2)
     safe_yaml (1.0.4)
     sass (3.5.6)
       sass-listen (>= 4.0.0)