diff --git a/Gemfile.lock b/Gemfile.lock
old mode 100755
new mode 100644
index e5eee2f..98b23f3
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -111,7 +111,7 @@ GEM
     rubyXL (3.3.33)
       nokogiri (>= 1.4.4)
       rubyzip (>= 1.1.6)
-    rubyzip (1.2.2)
+    rubyzip (2.3.0)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)