diff --git a/Gemfile.lock b/Gemfile.lock
index 76a9d608..6872ba25 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -391,7 +391,7 @@ GEM
     ruby-saml (1.17.0)
       nokogiri (>= 1.13.10)
       rexml
-    rubyzip (2.3.2)
+    rubyzip (2.4.1)
     sass-rails (6.0.0)
       sassc-rails (~> 2.1, >= 2.1.1)
     sassc (2.4.0)