diff --git a/src/AzureCosmosDB.MCP.Toolkit/AzureCosmosDB.MCP.Toolkit.csproj b/src/AzureCosmosDB.MCP.Toolkit/AzureCosmosDB.MCP.Toolkit.csproj
index f7a1e6a..15b03b3 100644
--- a/src/AzureCosmosDB.MCP.Toolkit/AzureCosmosDB.MCP.Toolkit.csproj
+++ b/src/AzureCosmosDB.MCP.Toolkit/AzureCosmosDB.MCP.Toolkit.csproj
@@ -23,7 +23,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="ModelContextProtocol.AspNetCore" Version="1.3.0" />
+    <PackageReference Include="ModelContextProtocol.AspNetCore" Version="1.4.0" />
     <PackageReference Include="Microsoft.Azure.Cosmos" Version="3.60.0" />
     <PackageReference Include="Azure.Identity" Version="1.21.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />