diff --git a/Gemfile.lock b/Gemfile.lock
index 4c611b4..d0c8065 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
     rouge (1.10.1)
-    rubyzip (1.1.7)
+    rubyzip (2.3.2)
     safe_yaml (1.0.4)
     sass (3.4.22)
     textutils (1.4.0)