diff --git a/ConsoleImage.Mcp/ConsoleImage.Mcp.csproj b/ConsoleImage.Mcp/ConsoleImage.Mcp.csproj
index 765ff9e..d548413 100644
--- a/ConsoleImage.Mcp/ConsoleImage.Mcp.csproj
+++ b/ConsoleImage.Mcp/ConsoleImage.Mcp.csproj
@@ -47,7 +47,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.9"/>
-        <PackageReference Include="ModelContextProtocol" Version="1.4.0"/>
+        <PackageReference Include="ModelContextProtocol" Version="2.1.0"/>
     </ItemGroup>
 
 </Project>