diff --git a/Gemfile.lock b/Gemfile.lock
index 58c2a53..78d662b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,7 +115,8 @@ GEM
       pry (~> 0.9)
       slop (~> 3.0)
     rack (1.6.10)
-    rack-cors (1.0.2)
+    rack-cors (1.0.6)
+      rack (>= 1.6.0)
     rack-test (0.7.0)
       rack (>= 1.0, < 3)
     rails (4.2.10)