diff --git a/configs/thirtythreeforty_businesscard_defconfig b/configs/thirtythreeforty_businesscard_defconfig
index 3798198..b50458f 100644
--- a/configs/thirtythreeforty_businesscard_defconfig
+++ b/configs/thirtythreeforty_businesscard_defconfig
@@ -3,7 +3,7 @@ BR2_SVN="svn"
 BR2_CCACHE=y
 BR2_SHARED_STATIC_LIBS=y
 BR2_GLOBAL_PATCH_DIR="$(BR2_EXTERNAL_BUSINESSCARD_PATH)/patches"
-BR2_KERNEL_HEADERS_5_0=y
+BR2_KERNEL_HEADERS_4_19=y
 # BR2_UCLIBC_INSTALL_UTILS is not set
 BR2_GCC_VERSION_8_X=y
 BR2_TOOLCHAIN_BUILDROOT_CXX=y
@@ -13,6 +13,9 @@ BR2_TARGET_GENERIC_GETTY_PORT="/dev/ttyS0"
 BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200=y
 # BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
 BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_GIT=y
+BR2_LINUX_KERNEL_CUSTOM_REPO_URL="git://github.com/Lichee-Pi/linux.git"
+BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="44874751dbc7e112de0c78cbfb0479574cdb2332"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL_BUSINESSCARD_PATH)/board/businesscard/v1/linux_defconfig"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y