diff --git a/cmd/e2e-test/cdn_test.go b/cmd/e2e-test/cdn_test.go
index bd56eb3066..3dcf12b4de 100644
--- a/cmd/e2e-test/cdn_test.go
+++ b/cmd/e2e-test/cdn_test.go
@@ -22,6 +22,7 @@ import (
 	"fmt"
 	"reflect"
 	"testing"
+	"time"
 
 	"github.com/kr/pretty"
 	"google.golang.org/api/compute/v1"
@@ -37,6 +38,8 @@ import (
 	"k8s.io/klog/v2"
 )
 
+const cdnTestPollTimeout = 30 * time.Minute
+
 // TestCDN is for ingress versions before the CDN config was expanded
 func TestCDN(t *testing.T) {
 	t.Parallel()
@@ -961,7 +964,7 @@ func updateConfigAndValidate(
 
 	// wait and validate the changes
 	var lastError error
-	waitErr := wait.Poll(transitionPollInterval, transitionPollTimeout, func() (bool, error) {
+	waitErr := wait.Poll(transitionPollInterval, cdnTestPollTimeout, func() (bool, error) {
 		lastError = validateBackend(ing, namespace, serviceName, expected)
 		if lastError == nil {
 			return true, nil