diff --git a/target/linux/d1/Makefile b/target/linux/d1/Makefile
index 69e28d48116..2f505500b26 100644
--- a/target/linux/d1/Makefile
+++ b/target/linux/d1/Makefile
@@ -12,6 +12,7 @@ KERNELNAME:=Image dtbs
 SUBTARGETS:=generic
 
 KERNEL_PATCHVER:=6.1
+KERNEL_TESTING_PATCHVER:=6.6
 
 include $(INCLUDE_DIR)/target.mk