diff --git a/DummyServer/DummyServer.csproj b/DummyServer/DummyServer.csproj
index dd3f040b..02bd58ed 100644
--- a/DummyServer/DummyServer.csproj
+++ b/DummyServer/DummyServer.csproj
@@ -16,7 +16,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="5.0.11"/>
-		<PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="5.0.11"/>
+		<PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="7.0.0"/>
 	</ItemGroup>
 
 	<ItemGroup>