diff --git a/configs/czechlight_clearfog_defconfig b/configs/czechlight_clearfog_defconfig
index 66dfeed..f476677 100644
--- a/configs/czechlight_clearfog_defconfig
+++ b/configs/czechlight_clearfog_defconfig
@@ -35,6 +35,7 @@
 BR2_PACKAGE_MMC_UTILS=y
 BR2_PACKAGE_SQUASHFS=y
 BR2_PACKAGE_I2C_TOOLS=y
+BR2_PACKAGE_PMBUS_PEEK=y
 BR2_PACKAGE_SPI_TOOLS=y
 BR2_PACKAGE_UBOOT_TOOLS=y
 BR2_PACKAGE_LIBGPIOD_TOOLS=y