diff --git a/src/Netler/Netler.csproj b/src/Netler/Netler.csproj
index a54088f..885f57f 100644
--- a/src/Netler/Netler.csproj
+++ b/src/Netler/Netler.csproj
@@ -14,7 +14,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MessagePack" Version="2.5.192" />
+    <PackageReference Include="MessagePack" Version="2.5.301" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.13" />
     <PackageReference Include="Nerdbank.GitVersioning" Version="3.9.50" PrivateAssets="all" />
   </ItemGroup>