diff --git a/buildSrc/src/main/kotlin/dev/adamko/kafkatorio/factoriomod/model.kt b/buildSrc/src/main/kotlin/dev/adamko/kafkatorio/factoriomod/model.kt
index 3ab3770..7143612 100644
--- a/buildSrc/src/main/kotlin/dev/adamko/kafkatorio/factoriomod/model.kt
+++ b/buildSrc/src/main/kotlin/dev/adamko/kafkatorio/factoriomod/model.kt
@@ -38,7 +38,9 @@ sealed interface InitUploadResponse {
 sealed interface SubmitUploadResponse {
 
   @Serializable
-  object Success : SubmitUploadResponse
+  data class Success(
+    val success: Boolean
+  ) : SubmitUploadResponse
 
   object Serializer : JsonContentPolymorphicSerializer<SubmitUploadResponse>(
     SubmitUploadResponse::class