diff --git a/target/linux/at91/Makefile b/target/linux/at91/Makefile
index af0dc3f3384..20dc43cb9e8 100644
--- a/target/linux/at91/Makefile
+++ b/target/linux/at91/Makefile
@@ -11,6 +11,7 @@ FEATURES:=ext4 squashfs targz usbgadget ubifs
 SUBTARGETS:=sama7 sama5 sam9x
 
 KERNEL_PATCHVER:=5.10
+KERNEL_TESTING_PATCHVER:=5.15
 
 include $(INCLUDE_DIR)/target.mk