diff --git a/Gemfile.lock b/Gemfile.lock
index 6f76974..d080a13 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -169,7 +169,7 @@ GEM
       rspec-mocks (~> 3.4.0)
       rspec-support (~> 3.4.0)
     rspec-support (3.4.1)
-    rubyzip (1.1.7)
+    rubyzip (1.3.0)
     sass (3.4.19)
     sass-rails (5.0.4)
       railties (>= 4.0.0, < 5.0)