diff --git a/History.md b/History.md
index f812747..0deacec 100644
--- a/History.md
+++ b/History.md
@@ -1,4 +1,4 @@
-## main
+## 2.2.0 / 2024-12-23
 
 * Bug fixes:
   * `Rack::Test::Cookie` now parses cookie parameters using a
diff --git a/lib/rack/test/version.rb b/lib/rack/test/version.rb
index 0868d46..f7e7462 100644
--- a/lib/rack/test/version.rb
+++ b/lib/rack/test/version.rb
@@ -1,5 +1,5 @@
 module Rack
   module Test
-    VERSION = '2.1.0'.freeze
+    VERSION = '2.2.0'.freeze
   end
 end