diff --git a/Gemfile.lock b/Gemfile.lock
index 5dd172c..1898cd8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,7 +30,8 @@ GEM
     powerpack (0.1.1)
     puma (3.12.1)
     rack (1.6.11)
-    rack-cors (1.0.3)
+    rack-cors (1.0.5)
+      rack (>= 1.6.0)
     rack-protection (1.5.5)
       rack
     rack-test (0.6.3)