diff --git a/default.xml b/default.xml
index 4817409..829f618 100644
--- a/default.xml
+++ b/default.xml
@@ -528,9 +528,11 @@
 
   <!-- BEGIN Android Things open-source projects -->
   <project path="external/u-boot" name="platform/external/u-boot" groups="iot" />
+  <project path="hardware/bsp/bootloader/rockchip/rk-u-boot" name="platform/hardware/bsp/bootloader/rockchip/rk-u-boot" groups="rk3229" />
   <project path="hardware/bsp/kernel/common/v4.4" name="platform/hardware/bsp/kernel/common/v4.4" groups="rk3229,rk3399" />
   <project path="hardware/bsp/kernel/qcom/qcom-msm8x09-v3.10" name="platform/hardware/bsp/kernel/qcom/qcom-msm8x09-v3.10" groups="msm8x09" />
   <project path="hardware/bsp/kernel/mediatek/mt8516-v4.4" name="platform/hardware/bsp/kernel/mediatek/mt8516-v4.4"  groups="mt8516" />
+  <project path="hardware/bsp/kernel/rockchip/rk-v4.4" name="platform/hardware/bsp/kernel/rockchip/rk-v4.4" groups="rk3229" />
   <!-- END Android Things open-source projects -->
 
 </manifest>