diff --git a/board/czechlight/common/busybox-config b/board/czechlight/common/busybox-config
index b19cfd3..af0efe0 100644
--- a/board/czechlight/common/busybox-config
+++ b/board/czechlight/common/busybox-config
@@ -4,3 +4,4 @@
 
 # rauc
 CONFIG_FEATURE_TAR_AUTODETECT=y
+CONFIG_FEATURE_SEAMLESS_XZ=y
diff --git a/configs/czechlight_clearfog_defconfig b/configs/czechlight_clearfog_defconfig
index 54ac972..103a262 100644
--- a/configs/czechlight_clearfog_defconfig
+++ b/configs/czechlight_clearfog_defconfig
@@ -25,6 +25,8 @@
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
 BR2_PACKAGE_LINUX_TOOLS_PERF=y
 BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_CZECHLIGHT_PATH)/board/czechlight/common/busybox-config"
+BR2_PACKAGE_E2FSPROGS=y
+BR2_PACKAGE_SQUASHFS=y
 BR2_PACKAGE_I2C_TOOLS=y
 BR2_PACKAGE_UBOOT_TOOLS=y
 BR2_PACKAGE_OPENSSH=y