diff --git a/include/drivers/arm/css/scmi.h b/include/drivers/arm/css/scmi.h
index e8a2863a9f959667a00c0cfe7e984e7f44856ce0..adce7a62ca1487b7fe286bf859c298076cebc739 100644
--- a/include/drivers/arm/css/scmi.h
+++ b/include/drivers/arm/css/scmi.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2021, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -16,7 +16,7 @@
 
 /* Supported SCMI Protocol Versions */
 #define SCMI_AP_CORE_PROTO_VER			MAKE_SCMI_VERSION(1, 0)
-#define SCMI_PWR_DMN_PROTO_VER			MAKE_SCMI_VERSION(1, 0)
+#define SCMI_PWR_DMN_PROTO_VER			MAKE_SCMI_VERSION(2, 0)
 #define SCMI_SYS_PWR_PROTO_VER			MAKE_SCMI_VERSION(1, 0)
 
 #define GET_SCMI_MAJOR_VER(ver)			(((ver) >> 16) & 0xffff)