diff --git a/target/linux/realtek/Makefile b/target/linux/realtek/Makefile
index 5159a40c4cb..2eca7015e40 100644
--- a/target/linux/realtek/Makefile
+++ b/target/linux/realtek/Makefile
@@ -11,6 +11,7 @@ FEATURES:=ramdisk squashfs
 SUBTARGETS:=generic
 
 KERNEL_PATCHVER:=5.4
+KERNEL_TESTING_PATCHVER:=5.10
 
 define Target/Description
 	Build firmware images for Realtek RTL83xx based boards.