diff --git a/examples/rails_app/Gemfile.lock b/examples/rails_app/Gemfile.lock
index 03d697a..8b9d3d0 100644
--- a/examples/rails_app/Gemfile.lock
+++ b/examples/rails_app/Gemfile.lock
@@ -140,7 +140,7 @@ GEM
     ref (2.0.0)
     regexp_parser (1.3.0)
     ruby_dep (1.5.0)
-    rubyzip (1.2.2)
+    rubyzip (1.3.0)
     sass (3.7.3)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)