diff --git a/ecs/deploy/go.mod b/ecs/deploy/go.mod
index 11b1eeb..9e7dff7 100644
--- a/ecs/deploy/go.mod
+++ b/ecs/deploy/go.mod
@@ -1,11 +1,21 @@
 module github.com/hamstah/awstools/ecs/deploy
 
-go 1.17
+go 1.21
 
 require (
-	github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 // indirect
 	github.com/aws/aws-sdk-go v1.36.26
 	github.com/hamstah/awstools/common v0.0.0-20211029134316-66655c4eb9ec
-	github.com/stretchr/testify v1.7.0 // indirect
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
 )
+
+require (
+	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
+	github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 // indirect
+	github.com/hamstah/paranoidhttp v0.0.0-20181219172138-e4e152213bcf // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/sirupsen/logrus v1.7.0 // indirect
+	github.com/stretchr/testify v1.8.2 // indirect
+	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad // indirect
+	golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f // indirect
+)
diff --git a/ecs/deploy/go.sum b/ecs/deploy/go.sum
index e416e51..2f8136a 100644
--- a/ecs/deploy/go.sum
+++ b/ecs/deploy/go.sum
@@ -23,16 +23,19 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 github.com/sirupsen/logrus v1.7.0 h1:ShrD1U9pZB12TX0cVy0DtePoCH97K8EtX+mg7ZARUtM=
 github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
-github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8=
+github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 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 v0.0.0-20201221181555-eec23a3978ad h1:DN0cp81fZ3njFcrLCytUHRSUkqBjfTo4Tx9RJTWs0EY=
 golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20201110031124-69a78807bb2b h1:uwuIcX0g4Yl1NC5XAz37xsr2lTtcqevgzYNVt49waME=
 golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -41,15 +44,14 @@ golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f h1:+Nyd8tzPX9R7BWHguqsrbFdRx
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6 h1:jMFz6MfLP0/4fUyZle81rXUoxOBFi19VUFKVDOQfozc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 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=
 gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/ecs/deploy/main.go b/ecs/deploy/main.go
index 6c648af..038217b 100644
--- a/ecs/deploy/main.go
+++ b/ecs/deploy/main.go
@@ -4,26 +4,26 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"time"
 
+	kingpin "github.com/alecthomas/kingpin/v2"
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/service/ecs"
 	"github.com/aws/aws-sdk-go/service/sts"
 	"github.com/hamstah/awstools/common"
-	kingpin "gopkg.in/alecthomas/kingpin.v2"
 )
 
 var (
-	taskName            = kingpin.Flag("task-name", "ECS task name").String()
-	cluster             = kingpin.Flag("cluster", "ECS cluster").Required().String()
-	services            = kingpin.Flag("service", "ECS services").Required().Strings()
-	images              = kingpin.Flag("image", "Change the images to the new ones. Format is container_name=image. Can be repeated.").StringMap()
-	timeout             = kingpin.Flag("timeout", "Timeout when waiting for services to update").Default("300s").Duration()
-	taskJSON            = kingpin.Flag("task-json", "Path to a JSON file with the task definition to use").String()
-	taskVariables       = kingpin.Flag("task-variables", "Variables to be replaced in the task definition").StringMap()
-	overwriteAccountIDs = kingpin.Flag("overwrite-account-ids", "Overwrite account IDs in role ARN with the caller account ID").Default("false").Bool()
+	taskName                 = kingpin.Flag("task-name", "ECS task name").String()
+	cluster                  = kingpin.Flag("cluster", "ECS cluster").Required().String()
+	services                 = kingpin.Flag("service", "ECS services").Strings()
+	images                   = kingpin.Flag("image", "Change the images to the new ones. Format is container_name=image. Can be repeated.").StringMap()
+	timeout                  = kingpin.Flag("timeout", "Timeout when waiting for services to update").Default("300s").Duration()
+	taskJSON                 = kingpin.Flag("task-json", "Path to a JSON file with the task definition to use").String()
+	taskVariables            = kingpin.Flag("task-variables", "Variables to be replaced in the task definition").StringMap()
+	overwriteAccountIDs      = kingpin.Flag("overwrite-account-ids", "Overwrite account IDs in role ARN with the caller account ID").Default("false").Bool()
+	updateTaskDefinitionOnly = kingpin.Flag("update-task-definition-only", "Only update the task definition").Default("false").Bool()
 )
 
 func main() {
@@ -44,7 +44,7 @@ func main() {
 
 	switch {
 	case *taskJSON != "":
-		b, err := ioutil.ReadFile(*taskJSON)
+		b, err := os.ReadFile(*taskJSON)
 		common.FatalOnError(err)
 
 		if taskVariables != nil {
@@ -86,6 +86,9 @@ func main() {
 	common.FatalOnError(err)
 
 	fmt.Println(*newTaskDefinition.TaskDefinitionArn)
+	if *updateTaskDefinitionOnly {
+		return
+	}
 
 	pending := 0
 	for _, service := range *services {