diff --git a/target/linux/realtek/Makefile b/target/linux/realtek/Makefile
index c9bfb880a3..6519cc210d 100644
--- a/target/linux/realtek/Makefile
+++ b/target/linux/realtek/Makefile
@@ -10,6 +10,7 @@ FEATURES:=ramdisk squashfs
 SUBTARGETS:=rtl838x rtl839x rtl930x rtl930x_nand rtl931x rtl931x_nand
 
 KERNEL_PATCHVER:=6.12
+KERNEL_TESTING_PATCHVER:=6.18
 
 define Target/Description
 	Build firmware images for Realtek RTL83xx/RTL93xx based boards.