diff --git a/src/Harness/Harness.csproj b/src/Harness/Harness.csproj
index 79ddda9..be193f1 100644
--- a/src/Harness/Harness.csproj
+++ b/src/Harness/Harness.csproj
@@ -9,7 +9,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="GraphQL.Server.Transports.AspNetCore.SystemTextJson" Version="5.0.0" />
+    <PackageReference Include="GraphQL.Server.Transports.AspNetCore.SystemTextJson" Version="5.2.2" />
     <PackageReference Include="GraphQL.Server.Ui.GraphiQL" Version="5.0.0" />
     <PackageReference Include="GraphQL.Server.Ui.Playground" Version="5.0.0" />
     <PackageReference Include="GraphQL.Server.Transports.AspNetCore" Version="5.0.0" />