diff --git a/plat/allwinner/sun50i_a64/platform.mk b/plat/allwinner/sun50i_a64/platform.mk
index 49764e0..236464f 100644
--- a/plat/allwinner/sun50i_a64/platform.mk
+++ b/plat/allwinner/sun50i_a64/platform.mk
@@ -30,6 +30,7 @@
 				${AW_PLAT}/common/sunxi_bl31_setup.c	\
 				${AW_PLAT}/common/sunxi_cpu_ops.c	\
 				${AW_PLAT}/common/sunxi_pm.c		\
+				${AW_PLAT}/common/sunxi_security.c	\
 				${AW_PLAT}/common/sunxi_topology.c
 
 # The bootloader is guaranteed to only run on CPU 0 by the boot ROM.