diff --git a/Gemfile.lock b/Gemfile.lock
index 0e55d9d..e6e58d7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -204,7 +204,7 @@ GEM
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     rouge (2.2.1)
-    rubyzip (1.2.2)
+    rubyzip (2.2.0)
     safe_yaml (1.0.4)
     sass (3.5.3)
       sass-listen (~> 4.0.0)