diff --git a/Gemfile.lock b/Gemfile.lock
index 4e05edd..ffaa2c2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -164,7 +164,8 @@ GEM
     pry-rails (0.3.4)
       pry (>= 0.9.10)
     rack (1.6.5)
-    rack-cors (0.4.0)
+    rack-cors (1.0.5)
+      rack (>= 1.6.0)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.5.2)