diff --git a/Gemfile.lock b/Gemfile.lock
index e150970..4f47100 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,7 +53,7 @@ GEM
     pusher-client (0.6.2)
       json
       websocket (~> 1.0)
-    rack (1.6.11)
+    rack (1.6.12)
     rack-protection (1.5.5)
       rack
     rack-test (1.1.0)