diff --git a/cmd/git-prep-directory/main.go b/cmd/git-prep-directory/main.go
index 2e373f0..86e5149 100644
--- a/cmd/git-prep-directory/main.go
+++ b/cmd/git-prep-directory/main.go
@@ -8,7 +8,7 @@ import (
 
 	"github.com/sensiblecodeio/git-prep-directory"
 
-	"github.com/urfave/cli"
+	"github.com/urfave/cli/v2"
 )
 
 // CloneTimeout specifies the duration allowed for each individual `git clone`
@@ -23,51 +23,53 @@ func init() {
 func main() {
 	app := cli.NewApp()
 	app.Name = "git-prep-directory"
-	app.Version = "0.5.0"
+	app.Version = "0.6.0"
 	app.Usage = "Build tools friendly way of repeatedly cloning a git\n" +
 		"   repository using a submodule cache and setting file timestamps to commit times."
 
 	app.Action = actionMain
 
 	app.Flags = []cli.Flag{
-		cli.StringFlag{
+		&cli.StringFlag{
 			Name:  "url, u",
 			Usage: "URL to clone",
 		},
-		cli.StringFlag{
+		&cli.StringFlag{
 			Name:  "ref, r",
 			Usage: "ref to checkout",
 		},
-		cli.StringFlag{
+		&cli.StringFlag{
 			Name:  "destination, d",
 			Usage: "destination dir",
 			Value: "./src",
 		},
-		cli.DurationFlag{
-			Name:   "timeout, t",
-			Usage:  "clone timeout",
-			Value:  CloneTimeout,
-			EnvVar: "GIT_PREP_DIR_TIMEOUT",
+		&cli.DurationFlag{
+			Name:    "timeout, t",
+			Usage:   "clone timeout",
+			Value:   CloneTimeout,
+			EnvVars: []string{"GIT_PREP_DIR_TIMEOUT"},
 		},
 	}
 
 	app.RunAndExitOnError()
 }
 
-func actionMain(c *cli.Context) {
-	if !c.GlobalIsSet("url") || !c.GlobalIsSet("ref") {
+func actionMain(c *cli.Context) error {
+	if !c.IsSet("url") || !c.IsSet("ref") {
 		log.Fatalln("Error: --url and --ref required")
 	}
 
 	where, err := git.PrepBuildDirectory(
-		c.GlobalString("destination"),
-		c.GlobalString("url"),
-		c.GlobalString("ref"),
-		c.GlobalDuration("timeout"),
+		c.String("destination"),
+		c.String("url"),
+		c.String("ref"),
+		c.Duration("timeout"),
 		os.Stderr)
 	if err != nil {
 		log.Fatalln("Error:", err)
 	}
 	log.Printf("Checked out %v at %v", where.Name, where.Dir)
 	fmt.Println(where.Dir)
+
+	return nil
 }
diff --git a/go.mod b/go.mod
index 56886c1..89070be 100644
--- a/go.mod
+++ b/go.mod
@@ -3,12 +3,13 @@ module github.com/sensiblecodeio/git-prep-directory
 go 1.23.4
 
 require (
-	github.com/urfave/cli v1.22.7
+	github.com/urfave/cli/v2 v2.27.5
 	github.com/vaughan0/go-ini v0.0.0-20130923145212-a98ad7ee00ec
 	golang.org/x/sys v0.29.0
 )
 
 require (
-	github.com/cpuguy83/go-md2man/v2 v2.0.1 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.6 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 // indirect
 )
diff --git a/go.sum b/go.sum
index d1b9fe8..04006b3 100644
--- a/go.sum
+++ b/go.sum
@@ -1,17 +1,12 @@
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
-github.com/cpuguy83/go-md2man/v2 v2.0.1 h1:r/myEWzV9lfsM1tFLgDyu0atFtJ1fXn261LKYj/3DxU=
-github.com/cpuguy83/go-md2man/v2 v2.0.1/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/cpuguy83/go-md2man/v2 v2.0.6 h1:XJtiaUW6dEEqVuZiMTn1ldk455QWwEIsMIJlo5vtkx0=
+github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
 github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
-github.com/urfave/cli v1.22.7 h1:aXiFAgRugfJ27UFDsGJ9DB2FvTC73hlVXFSqq5bo9eU=
-github.com/urfave/cli v1.22.7/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
+github.com/urfave/cli/v2 v2.27.5 h1:WoHEJLdsXr6dDWoJgMq/CboDmyY/8HMMH1fTECbih+w=
+github.com/urfave/cli/v2 v2.27.5/go.mod h1:3Sevf16NykTbInEnD0yKkjDAeZDS0A6bzhBH5hrMvTQ=
 github.com/vaughan0/go-ini v0.0.0-20130923145212-a98ad7ee00ec h1:DGmKwyZwEB8dI7tbLt/I/gQuP559o/0FrAkHKlQM/Ks=
 github.com/vaughan0/go-ini v0.0.0-20130923145212-a98ad7ee00ec/go.mod h1:owBmyHYMLkxyrugmfwE/DLJyW8Ro9mkphwuVErQ0iUw=
+github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 h1:gEOO8jv9F4OT7lGCjxCBTO/36wtF6j2nSip77qHd4x4=
+github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1/go.mod h1:Ohn+xnUBiLI6FVj/9LpzZWtj1/D6lUovWYBkxHVV3aM=
 golang.org/x/sys v0.29.0 h1:TPYlXGxvx1MGTn2GiZDhnjPA9wZzZeGKHHmKhHYvgaU=
 golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=