diff --git a/overlay.nix b/overlay.nix
index b7b9975..15b9eaf 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -60,11 +60,18 @@ final: prev:
       DEVTMPFS = yes;
       VIRTIO_MENU = yes;
       VIRTIO_BLK = yes;
+      VIRTIO_NET = yes;
+      EXT4_FS = yes;
 
       # For 9P: https://wiki.qemu.org/Documentation/9psetup
       NET_9P = yes;
       NET_9P_VIRTIO = yes;
       NET_9P_DEBUG = yes;
+      NET_DEVICES = yes;
+      NET_CORE = yes;
+      INET = yes;
+      NETWORK_FILESYSTEMS = yes;
+      OVERLAY_FS = yes;
       "9P_FS" = yes;
       "9P_FS_POSIX_ACL" = yes;
       PCI = yes;