diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 575c8ef0..6415ed07 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{".":"1.0.0-alpha.0"}
+{".":"1.0.0-alpha.1"}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8e616252..12366132 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,37 @@
 # Changelog
 
+## [1.0.0-alpha.1](https://github.com/a2aproject/a2a-python/compare/v1.0.0-alpha.0...v1.0.0-alpha.1) (2026-03-24)
+
+
+### ⚠ BREAKING CHANGES
+
+* **server:** migrate from Application wrappers to Starlette route-based endpoints for rest ([#892](https://github.com/a2aproject/a2a-python/issues/892))
+* **server:** migrate from Application wrappers to Starlette route-based endpoints for jsonrpc ([#873](https://github.com/a2aproject/a2a-python/issues/873))
+
+### Features
+
+* A2A Version Header validation on server side. ([#865](https://github.com/a2aproject/a2a-python/issues/865)) ([b261ceb](https://github.com/a2aproject/a2a-python/commit/b261ceb98bf46cc1e479fcdace52fef8371c8e58))
+* EventQueue - unify implementation between python versions ([#877](https://github.com/a2aproject/a2a-python/issues/877)) ([7437b88](https://github.com/a2aproject/a2a-python/commit/7437b88328fc71ed07e8e50f22a2eb0df4bf4201)), closes [#869](https://github.com/a2aproject/a2a-python/issues/869)
+* InMemoryTaskStore creates a copy of Task by default to make it consistent with database task stores  ([#887](https://github.com/a2aproject/a2a-python/issues/887)) ([8c65e84](https://github.com/a2aproject/a2a-python/commit/8c65e84fb844251ce1d8f04d26dbf465a89b9a29)), closes [#869](https://github.com/a2aproject/a2a-python/issues/869)
+* **server:** add async context manager support to EventQueue ([#743](https://github.com/a2aproject/a2a-python/issues/743)) ([f68b22f](https://github.com/a2aproject/a2a-python/commit/f68b22f0323ed4ff9267fabcf09c9d873baecc39))
+
+
+### Bug Fixes
+
+* fix error handling for gRPC and SSE streaming ([#879](https://github.com/a2aproject/a2a-python/issues/879)) ([2b323d0](https://github.com/a2aproject/a2a-python/commit/2b323d0b191279fb5f091199aa30865299d5fcf2))
+* fix REST error handling ([#893](https://github.com/a2aproject/a2a-python/issues/893)) ([405be3f](https://github.com/a2aproject/a2a-python/commit/405be3fa3ef8c60f730452b956879beeaecc5957))
+
+
+### Documentation
+
+* add Database Migration Documentation ([#864](https://github.com/a2aproject/a2a-python/issues/864)) ([fd12dff](https://github.com/a2aproject/a2a-python/commit/fd12dffa3a7aa93816c762a155ed9b505086b924))
+
+
+### Code Refactoring
+
+* **server:** migrate from Application wrappers to Starlette route-based endpoints for jsonrpc ([#873](https://github.com/a2aproject/a2a-python/issues/873)) ([734d062](https://github.com/a2aproject/a2a-python/commit/734d0621dc6170d10d0cdf9c074e5ae28531fc71))
+* **server:** migrate from Application wrappers to Starlette route-based endpoints for rest ([#892](https://github.com/a2aproject/a2a-python/issues/892)) ([4be2064](https://github.com/a2aproject/a2a-python/commit/4be2064b5d511e0b4617507ed0c376662688ebeb))
+
 ## 1.0.0-alpha.0 (2026-03-17)