diff --git a/target/linux/bcm47xx/Makefile b/target/linux/bcm47xx/Makefile
index c4ed66b54fe..325a207d08d 100644
--- a/target/linux/bcm47xx/Makefile
+++ b/target/linux/bcm47xx/Makefile
@@ -11,6 +11,7 @@ FEATURES:=squashfs usb
 SUBTARGETS:=generic mips74k legacy
 
 KERNEL_PATCHVER:=6.1
+KERNEL_TESTING_PATCHVER:=6.6
 
 define Target/Description
 	Build firmware images for Broadcom based BCM47xx/53xx routers with MIPS CPU, *not* ARM.