diff --git a/Gemfile.lock b/Gemfile.lock
index fdcb997..e5efe83 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -209,7 +209,7 @@ GEM
       rspec-mocks (~> 3.1.0)
       rspec-support (~> 3.1.0)
     rspec-support (3.1.2)
-    rubyzip (1.1.7)
+    rubyzip (1.3.0)
     sass (3.4.12)
     sass-rails (5.0.1)
       railties (>= 4.0.0, < 5.0)