diff --git a/site/Gemfile.lock b/site/Gemfile.lock
index b3444c8..332f31f 100644
--- a/site/Gemfile.lock
+++ b/site/Gemfile.lock
@@ -130,7 +130,7 @@ GEM
       ffi (>= 0.5.0, < 2)
     rouge (3.2.1)
     ruby_dep (1.5.0)
-    rubyzip (1.2.1)
+    rubyzip (2.3.0)
     safe_yaml (1.0.4)
     sass (3.5.7)
       sass-listen (~> 4.0.0)