diff --git a/gwctl/go.mod b/gwctl/go.mod
index 26532674e9..171daaf7bc 100644
--- a/gwctl/go.mod
+++ b/gwctl/go.mod
@@ -12,6 +12,7 @@ require (
 	k8s.io/apimachinery v0.29.2
 	k8s.io/client-go v0.29.2
 	k8s.io/klog/v2 v2.120.1
+	k8s.io/utils v0.0.0-20240102154912-e7106e64919e
 	sigs.k8s.io/controller-runtime v0.17.2
 	sigs.k8s.io/gateway-api v1.0.0
 	sigs.k8s.io/yaml v1.4.0
@@ -53,7 +54,6 @@ require (
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/kube-openapi v0.0.0-20240105020646-a37d4de58910 // indirect
-	k8s.io/utils v0.0.0-20240102154912-e7106e64919e // indirect
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
 )
diff --git a/gwctl/go.sum b/gwctl/go.sum
index 11c9b85a9f..af2a5fc5f9 100644
--- a/gwctl/go.sum
+++ b/gwctl/go.sum
@@ -79,8 +79,8 @@ github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
diff --git a/gwctl/pkg/printer/httproutes_test.go b/gwctl/pkg/printer/httproutes_test.go
index 267f828762..146e9ef746 100644
--- a/gwctl/pkg/printer/httproutes_test.go
+++ b/gwctl/pkg/printer/httproutes_test.go
@@ -26,6 +26,7 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
+	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/runtime"
@@ -57,6 +58,22 @@ func TestHTTPRoutesPrinter_Print(t *testing.T) {
 				Description:    common.PtrTo("random"),
 			},
 		},
+		&corev1.Namespace{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "ns1",
+			},
+			Status: corev1.NamespaceStatus{
+				Phase: corev1.NamespaceActive,
+			},
+		},
+		&corev1.Namespace{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "ns2",
+			},
+			Status: corev1.NamespaceStatus{
+				Phase: corev1.NamespaceActive,
+			},
+		},
 		&gatewayv1.Gateway{
 			ObjectMeta: metav1.ObjectMeta{
 				Name:      "demo-gateway-1",
diff --git a/gwctl/pkg/printer/namespace.go b/gwctl/pkg/printer/namespace.go
index 14f0d6483a..c2ae45205b 100644
--- a/gwctl/pkg/printer/namespace.go
+++ b/gwctl/pkg/printer/namespace.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2024 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package printer
 
 import (
diff --git a/gwctl/pkg/printer/namespace_test.go b/gwctl/pkg/printer/namespace_test.go
index 7db16cdf55..56978fa5eb 100644
--- a/gwctl/pkg/printer/namespace_test.go
+++ b/gwctl/pkg/printer/namespace_test.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2024 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package printer
 
 import (