diff --git a/CHANGELOG.md b/CHANGELOG.md
index 575ac40..4eb3730 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 
+## 2.0.1 - 2023-02-17
+### Changed
+- Use Rack::Utils::HeaderHash when Rack 2.x is detected
+
 ## 2.0.0 - 2023-02-14
 ### Changed
 - Refactored codebase
diff --git a/lib/rack/cors/version.rb b/lib/rack/cors/version.rb
index 9f82e59..1c45fa9 100644
--- a/lib/rack/cors/version.rb
+++ b/lib/rack/cors/version.rb
@@ -2,6 +2,6 @@
 
 module Rack
   class Cors
-    VERSION = '2.0.0'
+    VERSION = '2.0.1'
   end
 end