diff --git a/README.md b/README.md
index 6aaf060..20acccb 100644
--- a/README.md
+++ b/README.md
@@ -78,7 +78,7 @@
 Ensure that the jumpers are set to `0 1 0 0 1` (default for eMMC boot is `0 0 1 1 1`), and then use U-Boot's `kwboot` tool:
 
 ```sh
-./tools/kwboot -b ./u-boot-spl.kwb -t -p /dev/ttyUSB0
+./host/bin/kwboot -b ./u-boot-spl.kwb -t -p /dev/ttyUSB0
 ```
 Once in U-Boot (a stock factory image is OK as well), plug a USB flash disk which contains `images/usb-flash.img` and execute:
 
diff --git a/configs/czechlight_clearfog_defconfig b/configs/czechlight_clearfog_defconfig
index 9f9563f..9a2f461 100644
--- a/configs/czechlight_clearfog_defconfig
+++ b/configs/czechlight_clearfog_defconfig
@@ -49,6 +49,7 @@
 BR2_PACKAGE_PICOCOM=y
 BR2_PACKAGE_PMBUS_PEEK=y
 BR2_PACKAGE_SPI_TOOLS=y
+BR2_PACKAGE_UBOOT_TOOLS_KWBOOT=y
 BR2_PACKAGE_CA_CERTIFICATES=y
 BR2_PACKAGE_LIBGPIOD_TOOLS=y
 BR2_PACKAGE_MSTPD=y
@@ -99,6 +100,7 @@
 BR2_PACKAGE_HOST_MTOOLS=y
 BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT=y
 BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/clearfog/boot.scr.txt"
+BR2_PACKAGE_HOST_UBOOT_TOOLS_KWBOOT=y
 BR2_PACKAGE_CLA_SYSREPO=y
 CZECHLIGHT_CFG_FS_SIZE="256M"
 CZECHLIGHT_CFG_FS_PERSIST_SYSREPO=y
diff --git a/submodules/buildroot b/submodules/buildroot
index 9fdab86..bb9bf62 160000
--- a/submodules/buildroot
+++ b/submodules/buildroot
@@ -1 +1 @@
-Subproject commit 9fdab86be5756ce1df936fd0c83f8faa97a3bbb2
+Subproject commit bb9bf62f3e0da7a5f404df949dda28e247560380