diff --git a/test/extended/authentication/keycloak_helpers.go b/test/extended/authentication/keycloak_helpers.go
index 1a1720bb6f10..f576885b108e 100644
--- a/test/extended/authentication/keycloak_helpers.go
+++ b/test/extended/authentication/keycloak_helpers.go
@@ -10,6 +10,7 @@ import (
 	routev1 "github.com/openshift/api/route/v1"
 	typedroutev1 "github.com/openshift/client-go/route/clientset/versioned/typed/route/v1"
 	exutil "github.com/openshift/origin/test/extended/util"
+	"github.com/openshift/origin/test/extended/util/image"
 	appsv1 "k8s.io/api/apps/v1"
 	corev1 "k8s.io/api/core/v1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
@@ -316,7 +317,7 @@ func keycloakContainers() []corev1.Container {
 	return []corev1.Container{
 		{
 			Name:         "keycloak",
-			Image:        keycloakImage,
+			Image:        image.LocationFor(keycloakImage),
 			Env:          keycloakEnvVars(),
 			VolumeMounts: keycloakVolumeMounts(),
 			Ports: []corev1.ContainerPort{
diff --git a/test/extended/util/image/image.go b/test/extended/util/image/image.go
index 47441f3f981c..a334fd6f7be6 100644
--- a/test/extended/util/image/image.go
+++ b/test/extended/util/image/image.go
@@ -58,6 +58,9 @@ var (
 
 		// used by KubeVirt test to start fedora VMs
 		"quay.io/kubevirt/fedora-with-test-tooling-container-disk:20241024_891122a6fc": -1,
+
+		// used by external OIDC tests to simulate an external IdP
+		"quay.io/keycloak/keycloak:25.0": -1,
 	}
 )
 
diff --git a/test/extended/util/image/zz_generated.txt b/test/extended/util/image/zz_generated.txt
index e49677857ced..6af9eda032fb 100644
--- a/test/extended/util/image/zz_generated.txt
+++ b/test/extended/util/image/zz_generated.txt
@@ -1,5 +1,6 @@
 # This file is generated by hack/update-generated.sh
 docker.io/library/registry:2.8.0-beta.1 quay.io/openshift/community-e2e-images:e2e-docker-io-library-registry-2-8-0-beta-1-8x_YFKSuz9Xw6lZD
+quay.io/keycloak/keycloak:25.0 quay.io/openshift/community-e2e-images:e2e-quay-io-keycloak-keycloak-25-0-rEIw9B2Zcc3L1M6k
 quay.io/kubevirt/fedora-with-test-tooling-container-disk:20241024_891122a6fc quay.io/openshift/community-e2e-images:e2e-quay-io-kubevirt-fedora-with-test-tooling-container-disk-20241024_891122a6fc-IycYTh-87XrXse4E
 quay.io/openshifttest/ldap:1.2 quay.io/openshift/community-e2e-images:e2e-quay-io-openshifttest-ldap-1-2-O3f5zPgtmWzEtasv
 quay.io/openshifttest/multicast:1.1 quay.io/openshift/community-e2e-images:e2e-quay-io-openshifttest-multicast-1-1-XSI8Fm3bAh556UCx