diff --git a/drivers/usb/eth/Kconfig b/drivers/usb/eth/Kconfig
index 496a6d1..2f6bfa8 100644
--- a/drivers/usb/eth/Kconfig
+++ b/drivers/usb/eth/Kconfig
@@ -23,6 +23,7 @@ config USB_ETHER_ASIX88179
 config USB_ETHER_LAN75XX
 	bool "Microchip LAN75XX support"
 	depends on USB_HOST_ETHER
+	depends on PHYLIB
 	---help---
 	  Say Y here if you would like to support Microchip LAN75XX Hi-Speed
 	  USB 2.0 to 10/100/1000 Gigabit Ethernet controller.
@@ -32,6 +33,7 @@ config USB_ETHER_LAN75XX
 config USB_ETHER_LAN78XX
 	bool "Microchip LAN78XX support"
 	depends on USB_HOST_ETHER
+	depends on PHYLIB
 	---help---
 	  Say Y here if you would like to support Microchip LAN78XX USB 3.1
 	  Gen 1 to 10/100/1000 Gigabit Ethernet controller.