diff --git a/meta-ti-bsp/conf/machine/include/k3.inc b/meta-ti-bsp/conf/machine/include/k3.inc
index b743c8cc..0e8729df 100644
--- a/meta-ti-bsp/conf/machine/include/k3.inc
+++ b/meta-ti-bsp/conf/machine/include/k3.inc
@@ -20,6 +20,10 @@ SPL_BINARY = "tispl.bin"
 SPL_BINARYNAME = "tispl.bin"
 UBOOT_SUFFIX = "img"
 
+UBOOT_SIGN_ENABLE = "1"
+UBOOT_MKIMAGE_DTCOPTS = "-I dts -O dtb"
+UBOOT_SIGN_KEYNAME ?= "custMpk"
+UBOOT_SIGN_KEYDIR ?= "${TI_SECURE_DEV_PKG}/keys"
 FIT_HASH_ALG ?= "sha512"
 FIT_SIGN_ALG ?= "rsa4096"