diff --git a/go.mod b/go.mod
index 6f073f2..2deafa2 100644
--- a/go.mod
+++ b/go.mod
@@ -5,8 +5,9 @@ go 1.15
 require (
 	github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be // indirect
 	github.com/gliderlabs/ssh v0.3.2
-	github.com/soheilhy/cmux v0.1.5 // indirect
-	github.com/tjarratt/babble v0.0.0-20210505082055-cbca2a4833c1 // indirect
-	go.uber.org/multierr v1.7.0 // indirect
+	github.com/soheilhy/cmux v0.1.5
+	github.com/tjarratt/babble v0.0.0-20210505082055-cbca2a4833c1
+	go.uber.org/multierr v1.7.0
+	golang.org/dl v0.0.0-20210816190658-eea66df5a73d // indirect
 	golang.org/x/crypto v0.0.0-20210506145944-38f3c27a63bf // indirect
 )
diff --git a/go.sum b/go.sum
index e0f98f2..72e9246 100644
--- a/go.sum
+++ b/go.sum
@@ -16,6 +16,8 @@ go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/multierr v1.7.0 h1:zaiO/rmgFjbmCXdSYJWQcdvOCsthmdaHfr3Gm2Kx4Ec=
 go.uber.org/multierr v1.7.0/go.mod h1:7EAYxJLBy9rStEaz58O2t4Uvip6FSURkq8/ppBp95ak=
+golang.org/dl v0.0.0-20210816190658-eea66df5a73d h1:fY+sw1TVAhVSrszhxX7Ew04Y6V9Znfa8s5O1HTzTsOQ=
+golang.org/dl v0.0.0-20210816190658-eea66df5a73d/go.mod h1:IUMfjQLJQd4UTqG1Z90tenwKoCX93Gn3MAQJMOSBsDQ=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210506145944-38f3c27a63bf h1:B2n+Zi5QeYRDAEodEu72OS36gmTWjgpXr2+cWcBW90o=
diff --git a/main.go b/main.go
index 3ff24bf..8b44383 100644
--- a/main.go
+++ b/main.go
@@ -25,8 +25,8 @@ import (
 const (
 	domainName          = "prox.int"
 	domainSuffix        = ".prox.int"
-	portStart    uint32 = 4000
-	portEnd      uint32 = 4999
+	portStart    uint32 = 7000
+	portEnd      uint32 = 7999
 	bindHost            = "[::1]"
 )