diff --git a/target/linux/sifiveu/Makefile b/target/linux/sifiveu/Makefile
index 1d60c0a026..5bf141244c 100644
--- a/target/linux/sifiveu/Makefile
+++ b/target/linux/sifiveu/Makefile
@@ -12,6 +12,7 @@ KERNELNAME:=Image dtbs
 SUBTARGETS:=generic
 
 KERNEL_PATCHVER:=6.12
+KERNEL_TESTING_PATCHVER:=6.18
 
 include $(INCLUDE_DIR)/target.mk