diff --git a/src/ATBAPP/DeviceControllerInterface.h b/src/ATBAPP/DeviceControllerInterface.h
index 6f7ee03..caae99f 100644
--- a/src/ATBAPP/DeviceControllerInterface.h
+++ b/src/ATBAPP/DeviceControllerInterface.h
@@ -203,7 +203,7 @@ signals:
 
 
 Q_DECLARE_INTERFACE(DeviceControllerInterface,
-                    "eu.atb.ptu.plugin.DeviceControllerInterface/1.1.5")
+                    "eu.atb.ptu.plugin.DeviceControllerInterface/1.1.6")
 
 
 namespace nsDeviceControllerInterface {
@@ -237,7 +237,8 @@ namespace nsDeviceControllerInterface {
         START_RECEIPT,   // e.g. Szeged Start
         STOP_RECEIPT,    // e.g. Szeged Stop
         FINE_PAYMENT,    // e.g. Klaipeda
-        FOOD_STAMP
+        FOOD_STAMP,
+        FREE_TICKET
     };
 
     enum class COIN_PROCESSOR : quint8 {