diff --git a/Directory.Packages.props b/Directory.Packages.props
index bb3c4678..da9a6aa0 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -7,7 +7,7 @@
     <PackageVersion Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.23.0" />
     <PackageVersion Include="System.IO.Hashing" Version="10.0.10" />
     <PackageVersion Include="System.Numerics.Tensors" Version="10.0.10" />
-    <PackageVersion Include="ModelContextProtocol" Version="1.4.1" />
+    <PackageVersion Include="ModelContextProtocol" Version="2.1.0" />
     <PackageVersion Include="Microsoft.Extensions.AI" Version="10.8.1" />
     <PackageVersion Include="ModelContextProtocol.AspNetCore" Version="1.4.1" />
     <PackageVersion Include="Microsoft.Extensions.Hosting.WindowsServices" Version="10.0.10" />
diff --git a/src/SonnetDB/SonnetDB.csproj b/src/SonnetDB/SonnetDB.csproj
index 0a5e3aa3..97ba5023 100644
--- a/src/SonnetDB/SonnetDB.csproj
+++ b/src/SonnetDB/SonnetDB.csproj
@@ -46,6 +46,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.SpaProxy" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" />
+    <PackageReference Include="ModelContextProtocol" />
     <PackageReference Include="ModelContextProtocol.AspNetCore" />
     <PackageReference Include="Microsoft.Extensions.AI" />
     <PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" />