diff --git a/Gemfile.lock b/Gemfile.lock
index 610570f..a1890e5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -149,7 +149,7 @@ GEM
       rspec-mocks (~> 3.6.0)
       rspec-support (~> 3.6.0)
     rspec-support (3.6.0)
-    rubyzip (1.2.1)
+    rubyzip (1.3.0)
     sass (3.4.24)
     sass-rails (5.0.6)
       railties (>= 4.0.0, < 6)