diff --git a/Gemfile.lock b/Gemfile.lock
index e248553..b262a1c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -140,7 +140,8 @@ GEM
     pry-rails (0.3.3)
       pry (>= 0.9.10)
     rack (1.6.0)
-    rack-cors (0.3.1)
+    rack-cors (1.0.6)
+      rack (>= 1.6.0)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.0)