diff --git a/src/SmartVoiceAgent.Core/SmartVoiceAgent.Core.csproj b/src/SmartVoiceAgent.Core/SmartVoiceAgent.Core.csproj
index e57222a..5a2de68 100644
--- a/src/SmartVoiceAgent.Core/SmartVoiceAgent.Core.csproj
+++ b/src/SmartVoiceAgent.Core/SmartVoiceAgent.Core.csproj
@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="AutoGen.Core" Version="0.2.3" />
     <PackageReference Include="Cortex.Mediator" Version="3.1.2" />
-    <PackageReference Include="Microsoft.Agents.AI" Version="1.0.0-preview.260108.1" />
+    <PackageReference Include="Microsoft.Agents.AI" Version="1.9.0" />
     <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="10.0.8" />
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="10.0.8" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="9.0.16" />