diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2cf20b5..c4ac1de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Change Log
 
-## [2.0.0](https://github.com/ably/ably-pubsub-php/tree/pubsub-server/2.0.0) (unreleased)
+## [2.0.0](https://github.com/ably/ably-pubsub-php/tree/pubsub-server/2.0.0) (2026-10-28)
 
 [Full Changelog](https://github.com/ably/ably-pubsub-php/compare/1.1.12...pubsub-server/2.0.0)
 
@@ -29,6 +29,10 @@ the full mapping table.
 - Added the `agents` client option (`array<string, string|null>`) so an SDK or framework built on this package can attribute its own traffic.
 - `rybakit/msgpack` is now constrained to `^0.9.1 || ^1.0`.
 
+**Merged pull requests:**
+
+- Integration branch for ably/pubsub-server v2 package [\#227](https://github.com/ably/ably-pubsub-php/pull/227)
+
 ## [1.1.12](https://github.com/ably/ably-php/tree/1.1.12) (2026-06-23)
 
 [Full Changelog](https://github.com/ably/ably-php/compare/1.1.11...1.1.12)