diff --git a/include/lib/smccc.h b/include/lib/smccc.h
index c493105..775c2b2 100644
--- a/include/lib/smccc.h
+++ b/include/lib/smccc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2023, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -20,7 +20,7 @@
 						SMCCC_VERSION_MINOR_SHIFT))
 
 #define SMCCC_MAJOR_VERSION U(1)
-#define SMCCC_MINOR_VERSION U(4)
+#define SMCCC_MINOR_VERSION U(5)
 
 /*******************************************************************************
  * Bit definitions inside the function id as per the SMC calling convention
@@ -95,6 +95,8 @@
 #define OEN_STD_HYP_END			U(5)
 #define OEN_VEN_HYP_START		U(6)	/* Vendor Hypervisor Service calls */
 #define OEN_VEN_HYP_END			U(6)
+#define OEN_VEN_EL3_START		U(7)	/* Vendor Specific EL3 Monitor Calls */
+#define OEN_VEN_EL3_END			U(7)
 #define OEN_TAP_START			U(48)	/* Trusted Applications */
 #define OEN_TAP_END			U(49)
 #define OEN_TOS_START			U(50)	/* Trusted OS */