diff --git a/sdk/agentserver/azure-ai-agentserver-core/CHANGELOG.md b/sdk/agentserver/azure-ai-agentserver-core/CHANGELOG.md
index 6943b01f6515..869a5339124c 100644
--- a/sdk/agentserver/azure-ai-agentserver-core/CHANGELOG.md
+++ b/sdk/agentserver/azure-ai-agentserver-core/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Release History
 
+## 2.0.0b5 (2026-05-25)
+
+### Bugs Fixed
+
+- Fixed the blueprint telemetry attribute key name from `gen_ai.agent.blueprint.id` to `microsoft.a365.agent.blueprint.id` to align with A365 schema and cross-SDK behavior.
+
 ## 2.0.0b4 (2026-05-21)
 
 ### Features Added
diff --git a/sdk/agentserver/azure-ai-agentserver-core/azure/ai/agentserver/core/_version.py b/sdk/agentserver/azure-ai-agentserver-core/azure/ai/agentserver/core/_version.py
index e67119de2ced..560f2576ebfa 100644
--- a/sdk/agentserver/azure-ai-agentserver-core/azure/ai/agentserver/core/_version.py
+++ b/sdk/agentserver/azure-ai-agentserver-core/azure/ai/agentserver/core/_version.py
@@ -2,4 +2,4 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # ---------------------------------------------------------
 
-VERSION = "2.0.0b4"
+VERSION = "2.0.0b5"