diff --git a/Gemfile.lock b/Gemfile.lock
index 20fe925..86a4873 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -253,7 +253,8 @@ GEM
       pusher-signature (~> 0.1.8)
     pusher-signature (0.1.8)
     rack (2.0.5)
-    rack-cors (0.4.1)
+    rack-cors (1.0.5)
+      rack (>= 1.6.0)
     rack-mini-profiler (0.10.5)
       rack (>= 1.2.0)
     rack-ssl-enforcer (0.2.9)