--- a/target/linux/ath79/image/generic-ubnt.mk
+++ b/target/linux/ath79/image/generic-ubnt.mk
@@ -59,6 +59,7 @@
   DEVICE_MODEL := LiteBeam AC
   DEVICE_VARIANT := Gen2
   DEVICE_PACKAGES := kmod-ath10k-ct-smallbuffers ath10k-firmware-qca988x-ct
+  UBNT_VERSION := 8.7.4
 endef
 TARGET_DEVICES += ubnt_litebeam-ac-gen2