diff --git a/conf/machine/pcduino.conf b/conf/machine/pcduino.conf
index 8adb51e..dece19b 100644
--- a/conf/machine/pcduino.conf
+++ b/conf/machine/pcduino.conf
@@ -4,6 +4,9 @@
 
 require conf/machine/include/sun4i.inc
 
+PREFERRED_VERSION_linux = "4.9.0+git%"
+PREFERRED_VERSION_u-boot = "v2016.11%"
+
 KERNEL_DEVICETREE = "sun4i-a10-pcduino.dtb"
 UBOOT_MACHINE = "Linksprite_pcDuino_defconfig"
 SUNXI_FEX_FILE = "sys_config/a10/pcduino.fex"