diff --git a/vraptor-site/Gemfile.lock b/vraptor-site/Gemfile.lock
index af750efa7..b476a5951 100644
--- a/vraptor-site/Gemfile.lock
+++ b/vraptor-site/Gemfile.lock
@@ -53,7 +53,7 @@ GEM
     pygments.rb (0.5.4)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.1.0)
-    rack (1.5.2)
+    rack (1.6.12)
     rainpress (1.0)
       echoe
     rake (10.1.1)