diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/arm64_defconfig-5.9 b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/arm64_defconfig-5.9
index ed85802012..44ed057c57 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/arm64_defconfig-5.9
+++ b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-modules/files/arm64_defconfig-5.9
@@ -98,3 +98,4 @@ CONFIG_USB_ULPI=y
 CONFIG_USB_XHCI_PLATFORM=y
 CONFIG_VIRTUALIZATION=y
 CONFIG_XGENE_DMA=y
+CONFIG_BCM7XXX_PHY=m