diff --git a/products-service-dotnet/products-service-dotnet.csproj b/products-service-dotnet/products-service-dotnet.csproj
index 4d5a466..6c197f6 100644
--- a/products-service-dotnet/products-service-dotnet.csproj
+++ b/products-service-dotnet/products-service-dotnet.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Aliencube.AzureFunctions.Extensions.OpenApi" Version="1.5.3" />
-    <PackageReference Include="MessagePack" Version="1.7.3.4" />
+    <PackageReference Include="MessagePack" Version="1.9.11" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.Storage" Version="3.0.5" />
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="2.1.2" />
     <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="1.0.27" />