diff --git a/src/SmartVoiceAgent.Infrastructure/SmartVoiceAgent.Infrastructure.csproj b/src/SmartVoiceAgent.Infrastructure/SmartVoiceAgent.Infrastructure.csproj
index 813e436..bdd4478 100644
--- a/src/SmartVoiceAgent.Infrastructure/SmartVoiceAgent.Infrastructure.csproj
+++ b/src/SmartVoiceAgent.Infrastructure/SmartVoiceAgent.Infrastructure.csproj
@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <PackageReference Include="AgentFrameworkToolkit.Tools.ModelContextProtocol" Version="1.9.0" />
-    <PackageReference Include="Anthropic" Version="12.21.0" />
+    <PackageReference Include="Anthropic" Version="12.27.0" />
     <PackageReference Include="Cortex.Mediator" Version="3.1.2" />
     <PackageReference Include="Microsoft.Agents.AI" Version="1.9.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.8" />