diff --git a/Gemfile.lock b/Gemfile.lock
index 3117ed5c..b394fb3a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -412,7 +412,7 @@ GEM
     rubyXL (3.3.29)
       nokogiri (>= 1.4.4)
       rubyzip (>= 1.1.6)
-    rubyzip (1.2.1)
+    rubyzip (2.0.0)
     sass-rails (4.0.5)
       railties (>= 4.0.0, < 5.0)
       sass (~> 3.2.2)