diff --git a/target/linux/ipq40xx/Makefile b/target/linux/ipq40xx/Makefile
index 9bdb55d7838..7df920e2d80 100644
--- a/target/linux/ipq40xx/Makefile
+++ b/target/linux/ipq40xx/Makefile
@@ -9,7 +9,7 @@ CPU_SUBTYPE:=neon-vfpv4
 SUBTARGETS:=generic chromium mikrotik
 
 KERNEL_PATCHVER:=5.10
-KERNEL_TESTING_PATCHVER:=5.10
+KERNEL_TESTING_PATCHVER:=5.15
 
 KERNELNAME:=zImage Image dtbs