diff --git a/plat/xilinx/versal/include/plat_pm_common.h b/plat/xilinx/versal/include/plat_pm_common.h
index 6b202c7..2d00801 100644
--- a/plat/xilinx/versal/include/plat_pm_common.h
+++ b/plat/xilinx/versal/include/plat_pm_common.h
@@ -19,4 +19,8 @@
 #define PAYLOAD_ARG_CNT		6U
 #define PAYLOAD_ARG_SIZE	4U	/* size in bytes */
 
+#define VERSAL_TZ_VERSION_MAJOR		1
+#define VERSAL_TZ_VERSION_MINOR		0
+#define VERSAL_TZ_VERSION		((VERSAL_TZ_VERSION_MAJOR << 16) | \
+					VERSAL_TZ_VERSION_MINOR)
 #endif /* PLAT_PM_COMMON_H */
diff --git a/plat/xilinx/versal/pm_service/pm_svc_main.c b/plat/xilinx/versal/pm_service/pm_svc_main.c
index 3aac79a..cb2ac55 100644
--- a/plat/xilinx/versal/pm_service/pm_svc_main.c
+++ b/plat/xilinx/versal/pm_service/pm_svc_main.c
@@ -17,6 +17,8 @@
 #include "pm_client.h"
 #include "pm_ipi.h"
 
+#define PM_GET_TRUSTZONE_VERSION	0xa03
+
 /* pm_up = true - UP, pm_up = false - DOWN */
 static bool pm_up;
 
@@ -255,6 +257,10 @@
 		SMC_RET1(handle, (uint64_t)ret | ((uint64_t)mode << 32));
 	}
 
+	case PM_GET_TRUSTZONE_VERSION:
+		SMC_RET1(handle, (uint64_t)PM_RET_SUCCESS |
+			 ((uint64_t)VERSAL_TZ_VERSION << 32));
+
 	default:
 		WARN("Unimplemented PM Service Call: 0x%x\n", smc_fid);
 		SMC_RET1(handle, SMC_UNK);