diff --git a/Gemfile.lock b/Gemfile.lock
index 538f38e..9dd1bc3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -200,7 +200,8 @@ GEM
     rack-contrib (1.4.0)
       git-version-bump (~> 0.15)
       rack (~> 1.4)
-    rack-cors (0.4.0)
+    rack-cors (1.0.6)
+      rack (>= 1.6.0)
     rack-mount (0.8.3)
       rack (>= 1.0.0)
     rack-protection (1.5.3)