diff --git a/dotnet/sample.csproj b/dotnet/sample.csproj
index 96ad0b2..6f712dc 100644
--- a/dotnet/sample.csproj
+++ b/dotnet/sample.csproj
@@ -11,7 +11,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Hosting.WindowsServices" Version="6.0.*" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="5.0.17" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Versioning" Version="5.0.*" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="6.0.*" />
     <PackageReference Include="System.Diagnostics.Process" Version="4.3.*" />
     <!-- <PackageReference Include="System.ServiceModel.Http" Version="4.10.*" /> -->