diff --git a/src/BeetleX.XRPC.csproj b/src/BeetleX.XRPC.csproj
index 9c5e354..f0dc5e0 100644
--- a/src/BeetleX.XRPC.csproj
+++ b/src/BeetleX.XRPC.csproj
@@ -27,7 +27,7 @@
   <ItemGroup>
     <PackageReference Include="BeetleX" Version="1.5.4" />
     <PackageReference Include="EventNext" Version="0.9.8" />
-    <PackageReference Include="MessagePack" Version="2.0.323" />
+    <PackageReference Include="MessagePack" Version="2.1.90" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
   </ItemGroup>