diff --git a/website/Gemfile.lock b/website/Gemfile.lock
index 0811f6d62e2..6bfbcd98c22 100644
--- a/website/Gemfile.lock
+++ b/website/Gemfile.lock
@@ -111,7 +111,7 @@ GEM
       tilt (~> 1.4.1)
     padrino-support (0.12.8.1)
       activesupport (>= 3.1)
-    rack (1.6.5)
+    rack (1.6.13)
     rack-livereload (0.3.16)
       rack
     rack-test (0.6.3)