diff --git a/VectoCore/VectoCore/OutputData/FileIO/JSONFileWriter.cs b/VectoCore/VectoCore/OutputData/FileIO/JSONFileWriter.cs
index 22ef9f1407d77df1600b393068d1f199f1236237..3307f1754ec079d06b98ff7647be299aca68bd3b 100644
--- a/VectoCore/VectoCore/OutputData/FileIO/JSONFileWriter.cs
+++ b/VectoCore/VectoCore/OutputData/FileIO/JSONFileWriter.cs
@@ -18,7 +18,7 @@ public class JSONFileWriter : IOutputFileWriter
 
 	public const int GearboxFormatVersion = 6;
 
-	public const int VehicleFormatVersion = 8;
+	public const int VehicleFormatVersion = 9;
 
 	//public const int BusVehicleFormatVersion = 9;