diff --git a/csmcp.csproj b/csmcp.csproj
index 47b208c..97ad774 100644
--- a/csmcp.csproj
+++ b/csmcp.csproj
@@ -8,6 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.5" />
     <PackageReference Include="ModelContextProtocol" Version="0.2.0-preview.1" />
   </ItemGroup>