diff --git a/assets/k8s/serviceAccount/cluster-role.yaml b/assets/k8s/serviceAccount/cluster-role.yaml
index 7094f4a..61b793b 100644
--- a/assets/k8s/serviceAccount/cluster-role.yaml
+++ b/assets/k8s/serviceAccount/cluster-role.yaml
@@ -15,6 +15,7 @@ rules:
       - ingresses
       - services
       - secrets
+      - configmaps
     verbs:
       - create
       - delete
diff --git a/src/cli/init.go b/src/cli/init.go
index 7397bc0..602bc59 100644
--- a/src/cli/init.go
+++ b/src/cli/init.go
@@ -13,6 +13,8 @@ import (
 	"github.com/nearform/initium-cli/src/services/project"
 	"github.com/nearform/initium-cli/src/utils/defaults"
 	"github.com/urfave/cli/v2"
+
+	knative "github.com/nearform/initium-cli/src/services/k8s"
 )
 
 const (
@@ -101,6 +103,32 @@ func (c icli) InitServiceAccountCMD(ctx *cli.Context) error {
 	return k8s.GetServiceAccount(c.Resources)
 }
 
+func (c icli) InitKnativeDomainCMD(cCtx *cli.Context) error {
+	config, err := knative.Config(
+		cCtx.String(endpointFlag),
+		cCtx.String(tokenFlag),
+		[]byte(cCtx.String(caCRTFlag)),
+	)
+
+	if err != nil {
+		return err
+	}
+
+	if cCtx.NArg() < 1 {
+		return fmt.Errorf("Knative domain argument is required!")
+	}
+
+	knativeDomain := cCtx.Args().Get(0)
+
+	err = knative.DomainUpd(knativeDomain, config)
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
 func (c icli) InitCMD() *cli.Command {
 	configFlags := c.CommandFlags([]FlagsType{Shared})
 	configFlags = append(configFlags, &cli.BoolFlag{
@@ -133,6 +161,21 @@ func (c icli) InitCMD() *cli.Command {
 				Action: c.InitServiceAccountCMD,
 				Before: c.baseBeforeFunc,
 			},
+			{
+				Name:   "knative-domain",
+				Usage:  "updates knative service default domain",
+				Flags:  c.CommandFlags([]FlagsType{Kubernetes}),
+				Action: c.InitKnativeDomainCMD,
+				Before: func(ctx *cli.Context) error {
+					if err := c.loadFlagsFromConfig(ctx); err != nil {
+						return err
+					}
+
+					ignoredFlags := []string{namespaceFlag}
+
+					return c.checkRequiredFlags(ctx, ignoredFlags)
+				},
+			},
 		},
 	}
 }
diff --git a/src/cli/init_test.go b/src/cli/init_test.go
index 333c2a5..bb453b4 100644
--- a/src/cli/init_test.go
+++ b/src/cli/init_test.go
@@ -129,3 +129,13 @@ func TestAppName(t *testing.T) {
 		t.Errorf("the error message should contain %s and %s", appNameFlag, repoNameFlag)
 	}
 }
+
+func TestKnativeDomain(t *testing.T) {
+	cli := GeticliForTesting(os.DirFS("../.."))
+
+	err := cli.Run([]string{"initium", "init", "knative-domain"})
+	if err == nil {
+		t.Errorf("CLI should ask for an argument (knative new domain) if not detected")
+	}
+
+}
diff --git a/src/services/k8s/knative.go b/src/services/k8s/knative.go
index 2056850..53a9ca5 100644
--- a/src/services/k8s/knative.go
+++ b/src/services/k8s/knative.go
@@ -232,3 +232,36 @@ func Clean(namespace string, config *rest.Config, project *project.Project) erro
 	log.Info("The Knative service was successfully deleted", "host", config.Host, "name", project.Name, "namespace", namespace)
 	return nil
 }
+
+func DomainUpd(kn_domain string, config *rest.Config) error {
+	// Default Knative values
+	configMapName := "config-domain"
+	namespace := "knative-serving"
+
+	log.Info("Updating Knative default domain name...", "new domain", kn_domain, "configMap", configMapName, "namespace", namespace)
+	ctx := context.Background()
+
+	client, err := kubernetes.NewForConfig(config)
+	if err != nil {
+		return fmt.Errorf("Creating Kubernetes client %v", err)
+	}
+
+	configMap, err := client.CoreV1().ConfigMaps(namespace).Get(ctx, configMapName, metav1.GetOptions{})
+
+	if err != nil {
+		return fmt.Errorf("Getting ConfigMaps: %v", err)
+	}
+
+	configMap.Data = make(map[string]string)
+
+	configMap.Data[kn_domain] = ""
+
+	_, err = client.CoreV1().ConfigMaps(namespace).Update(ctx, configMap, metav1.UpdateOptions{})
+	if err != nil {
+		return err
+	}
+
+	log.Info("Knative default domain name was successfully updated!", "new domain", kn_domain, "configMap", configMapName, "namespace", namespace)
+
+	return nil
+}
diff --git a/src/services/k8s/knative_test.go b/src/services/k8s/knative_test.go
index 6f95106..2a122ae 100644
--- a/src/services/k8s/knative_test.go
+++ b/src/services/k8s/knative_test.go
@@ -80,4 +80,3 @@ func TestLoadManifest(t *testing.T) {
 	assert.Assert(t, annotations[UpdateTimestampAnnotationName] != "", "Missing %s annotation", UpdateTimestampAnnotationName)
 	assert.Assert(t, annotations[UpdateShaAnnotationName] == commitSha, "Expected %s SHA, got %s", commitSha, annotations[UpdateShaAnnotationName])
 }
-