diff --git a/buildroot-2021.05/Makefile b/buildroot-2021.05/Makefile
index 28c538967..10fd1e997 100644
--- a/buildroot-2021.05/Makefile
+++ b/buildroot-2021.05/Makefile
@@ -125,6 +125,10 @@ else
 export BR2_VERSION_FULL := $(BR2_LOCALVERSION)
 endif
 
+ifeq ($(MV_VENDOR),milkv)
+export BR2_VERSION_FULL = $(shell date +%Y%m%d-%H%M)
+endif
+
 # List of targets and target patterns for which .config doesn't need to be read in
 noconfig_targets := menuconfig nconfig gconfig xconfig config oldconfig randconfig \
 	defconfig %_defconfig allyesconfig allnoconfig alldefconfig syncconfig release \