diff --git a/Gemfile.lock b/Gemfile.lock
index d5c21d25..5770b22a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -330,7 +330,7 @@ GEM
     rubytree (1.0.0)
       json (~> 2.1)
       structured_warnings (~> 0.3)
-    rubyzip (2.0.0)
+    rubyzip (2.3.0)
     sass-rails (6.0.0)
       sassc-rails (~> 2.1, >= 2.1.1)
     sassc (2.4.0)