diff --git a/Gemfile.lock b/Gemfile.lock
index c61b6b7..3d9578e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -35,7 +35,8 @@ GEM
       method_source (~> 0.9.0)
     puma (3.12.0)
     rack (2.0.5)
-    rack-cors (1.0.2)
+    rack-cors (1.0.6)
+      rack (>= 1.6.0)
     rack-protection (2.0.3)
       rack
     rack-test (1.1.0)