diff --git a/plat/xilinx/versal/pm_service/pm_client.h b/plat/xilinx/versal/pm_service/pm_client.h
index 228094e..91f135c 100644
--- a/plat/xilinx/versal/pm_service/pm_client.h
+++ b/plat/xilinx/versal/pm_service/pm_client.h
@@ -17,6 +17,7 @@
 
 /* Functions to be implemented by each PU */
 void pm_client_suspend(const struct pm_proc *proc, unsigned int state);
+void pm_client_wakeup(const struct pm_proc *proc);
 void pm_client_abort_suspend(void);
 
 /* Global variables to be set in pm_client.c */