diff --git a/Gemfile.lock b/Gemfile.lock
index 94c2282..5f10390 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -16,7 +16,7 @@ GEM
     diff-lcs (1.1.3)
     fakeweb (1.3.0)
     json (1.8.1)
-    rack (1.1.3)
+    rack (1.1.6)
     rake (0.9.2.2)
     rr (1.0.4)
     rspec (2.11.0)