diff --git a/src/HotChocolate/Core/src/Types/Types/Scalars/JsonType.cs b/src/HotChocolate/Core/src/Types/Types/Scalars/JsonType.cs
index 3e60377444f..5b3c44b2c0c 100644
--- a/src/HotChocolate/Core/src/Types/Types/Scalars/JsonType.cs
+++ b/src/HotChocolate/Core/src/Types/Types/Scalars/JsonType.cs
@@ -14,7 +14,7 @@ namespace HotChocolate.Types;
///
/// The runtime representation of the JSON scalar is an .
///
-public sealed class JsonType : ScalarType
+public class JsonType : ScalarType
{
///
/// Initializes a new instance of .