diff --git a/nixos/lib/vargen/go.mod b/nixos/lib/vargen/go.mod
index c7cd37e..833b2b4 100644
--- a/nixos/lib/vargen/go.mod
+++ b/nixos/lib/vargen/go.mod
@@ -3,6 +3,6 @@ module github.com/mdlayher/homelab/nixos/lib/vargen
 go 1.14
 
 require (
-	github.com/mdlayher/eui64 v0.0.0-20191004205636-300b7bde793c
+	github.com/mdlayher/netx v0.0.0-20200512211805-669a06fde734
 	inet.af/netaddr v0.0.0-20200512140312-d37a9e0a2dd4
 )
diff --git a/nixos/lib/vargen/go.sum b/nixos/lib/vargen/go.sum
index b062884..4f8288d 100644
--- a/nixos/lib/vargen/go.sum
+++ b/nixos/lib/vargen/go.sum
@@ -1,4 +1,12 @@
-github.com/mdlayher/eui64 v0.0.0-20191004205636-300b7bde793c h1:758I75uwYgVtX8fzyn0dvHQEUGNA60284ujMT7a0q2Y=
-github.com/mdlayher/eui64 v0.0.0-20191004205636-300b7bde793c/go.mod h1:1Po4lSpd7AjxFUNZbEut0MJQ4gT4MDn2ZuBiNfitUDI=
+github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/mdlayher/netx v0.0.0-20200512211805-669a06fde734 h1:DzkgdcT/W7794xU5P7GdZvok/lJECZ8g4xS+vMNLREI=
+github.com/mdlayher/netx v0.0.0-20200512211805-669a06fde734/go.mod h1:iN5Y6R8oOaC0KMzLtw/dqCJ2ZOipmk+bncXKStCHr7Q=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/net v0.0.0-20200506145744-7e3656a0809f/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 inet.af/netaddr v0.0.0-20200512140312-d37a9e0a2dd4 h1:2Lj2bqi5EmgZSyJSaLoniH93rP/IhuWr6BTdgAJuiYA=
 inet.af/netaddr v0.0.0-20200512140312-d37a9e0a2dd4/go.mod h1:qqYzz/2whtrbWJvt+DNWQyvekNN4ePQZcg2xc2/Yjww=
diff --git a/nixos/lib/vargen/main.go b/nixos/lib/vargen/main.go
index e174e1b..7d2f39b 100644
--- a/nixos/lib/vargen/main.go
+++ b/nixos/lib/vargen/main.go
@@ -8,7 +8,7 @@ import (
 	"net"
 	"os"
 
-	"github.com/mdlayher/eui64"
+	"github.com/mdlayher/netx/eui64"
 	"inet.af/netaddr"
 )