diff --git a/Gemfile.lock b/Gemfile.lock
index 099a9af..5272ac9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -175,7 +175,7 @@ GEM
       rspec-mocks (~> 3.2.0)
       rspec-support (~> 3.2.0)
     rspec-support (3.2.2)
-    rubyzip (1.1.7)
+    rubyzip (1.3.0)
     sass (3.4.22)
     sass-rails (5.0.4)
       railties (>= 4.0.0, < 5.0)