diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index cf45d4956..42eed77da 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "8.0.0-beta.7"
+  ".": "8.0.0-beta.8"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 33ef0ba4b..3b4b3ceab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog
 
+## [8.0.0-beta.8](https://github.com/adcontextprotocol/adcp-client-python/compare/v8.0.0-beta.7...v8.0.0-beta.8) (2026-08-24)
+
+
+### Features
+
+* **client:** add per-call task deadlines ([#1076](https://github.com/adcontextprotocol/adcp-client-python/issues/1076)) ([38d62ad](https://github.com/adcontextprotocol/adcp-client-python/commit/38d62ad5b08e690c1935a8facd9e0accc0abd3d7))
+* **governance:** enforce cross-role authorization ([#1072](https://github.com/adcontextprotocol/adcp-client-python/issues/1072)) ([5c9ba8d](https://github.com/adcontextprotocol/adcp-client-python/commit/5c9ba8d94142a92da6cda6561f944040f16f6c0f))
+* **negotiation:** complete proposal refinement workflow ([#1073](https://github.com/adcontextprotocol/adcp-client-python/issues/1073)) ([fc37f4e](https://github.com/adcontextprotocol/adcp-client-python/commit/fc37f4eacd3a2c4f9a580f75a7d98270f0e1f597))
+* **observability:** add optional OpenTelemetry tracing ([#1078](https://github.com/adcontextprotocol/adcp-client-python/issues/1078)) ([9d3aa4c](https://github.com/adcontextprotocol/adcp-client-python/commit/9d3aa4c98b117e9d675a43a1219cd69b94bcfcb7))
+* **sdk:** harden A2A transport, codegen, and negotiation ([#1071](https://github.com/adcontextprotocol/adcp-client-python/issues/1071)) ([cd3b7a0](https://github.com/adcontextprotocol/adcp-client-python/commit/cd3b7a02152442c087b3afed89c8408c9bfd0819))
+* **webhooks:** add durable task webhook outbox ([#1066](https://github.com/adcontextprotocol/adcp-client-python/issues/1066)) ([c372d58](https://github.com/adcontextprotocol/adcp-client-python/commit/c372d5879ff908dad222fb84dab9177bb16e0c58))
+
+
+### Bug Fixes
+
+* **registry:** allowlist error detail metadata ([#1075](https://github.com/adcontextprotocol/adcp-client-python/issues/1075)) ([5e48c93](https://github.com/adcontextprotocol/adcp-client-python/commit/5e48c93a42e96389b3a384f04d65587f7491b46d))
+* **registry:** bound response body buffering ([#1074](https://github.com/adcontextprotocol/adcp-client-python/issues/1074)) ([7da7a23](https://github.com/adcontextprotocol/adcp-client-python/commit/7da7a23729c142e2f4dee8c3a4b9048f0a208f5b))
+
 ## [8.0.0-beta.7](https://github.com/adcontextprotocol/adcp-client-python/compare/v8.0.0-beta.6...v8.0.0-beta.7) (2026-08-22)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 8635c6ed6..5e2067122 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "adcp"
-version = "8.0.0b7"
+version = "8.0.0b8"
 description = "Official Python client for the Ad Context Protocol (AdCP)"
 authors = [
     {name = "AdCP Community", email = "maintainers@adcontextprotocol.org"}