diff --git a/Gemfile.lock b/Gemfile.lock
index b690991..e003dd8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -250,7 +250,7 @@ GEM
       i18n
     ruby-progressbar (1.10.0)
     ruby_dep (1.5.0)
-    rubyzip (1.2.2)
+    rubyzip (2.2.0)
     safe_yaml (1.0.5)
     sass (3.7.3)
       sass-listen (~> 4.0.0)