diff --git a/src/Backend/EM.McpServer/EM.McpServer.csproj b/src/Backend/EM.McpServer/EM.McpServer.csproj
index 3f9af95..66ec8a7 100644
--- a/src/Backend/EM.McpServer/EM.McpServer.csproj
+++ b/src/Backend/EM.McpServer/EM.McpServer.csproj
@@ -8,7 +8,7 @@
     <ItemGroup>
         <PackageReference Include="Aspire.Keycloak.Authentication" Version="9.5.1-preview.1.25502.11" />
         <PackageReference Include="Microsoft.IdentityModel.Protocols.OpenIdConnect" Version="8.14.0" />
-        <PackageReference Include="ModelContextProtocol.AspNetCore" Version="0.4.0-preview.2" />
+        <PackageReference Include="ModelContextProtocol.AspNetCore" Version="0.4.0-preview.3" />
     </ItemGroup>
 
     <ItemGroup>