diff --git a/target/linux/at91/Makefile b/target/linux/at91/Makefile
index e1c771adbc..372bf177e4 100644
--- a/target/linux/at91/Makefile
+++ b/target/linux/at91/Makefile
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2006-2013 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
@@ -13,7 +13,7 @@ BOARDNAME:=Atmel AT91
 FEATURES:=squashfs targz ext2 usb usbgadget ubifs
 SUBTARGETS:=legacy sama5d3
 
-KERNEL_PATCHVER:=3.18
+KERNEL_PATCHVER:=4.4
 
 include $(INCLUDE_DIR)/target.mk