diff --git a/website/Gemfile.lock b/website/Gemfile.lock
index 1ad6eb6f1c81..7624224c1d73 100644
--- a/website/Gemfile.lock
+++ b/website/Gemfile.lock
@@ -112,7 +112,7 @@ GEM
       tilt (>= 1.4.1, < 3)
     padrino-support (0.12.9)
       activesupport (>= 3.1)
-    rack (1.6.9)
+    rack (1.6.13)
     rack-livereload (0.3.16)
       rack
     rack-test (1.0.0)