diff --git a/cmd/dptp-controller-manager/main.go b/cmd/dptp-controller-manager/main.go
index e711ad8b0b3..cc1bcab6ae0 100644
--- a/cmd/dptp-controller-manager/main.go
+++ b/cmd/dptp-controller-manager/main.go
@@ -90,6 +90,8 @@ type registrySyncerOptions struct {
 	imageStreamTags          sets.String
 	imageStreamsRaw          flagutil.Strings
 	imageStreams             sets.String
+	imageStreamPrefixesRaw   flagutil.Strings
+	imageStreamPrefixes      sets.String
 	imageStreamNamespacesRaw flagutil.Strings
 	imageStreamNamespaces    sets.String
 }
@@ -126,6 +128,7 @@ func newOpts() (*options, error) {
 	flag.Var(&opts.testImagesDistributorOptions.additionalImageStreamNamespacesRaw, "testImagesDistributorOptions.additional-image-stream-namespace", "A namespace in which imagestreams will be distributed even if no test explicitly references them (e.G `ci`). Can be passed multiple times.")
 	flag.Var(&opts.registrySyncerOptions.imageStreamTagsRaw, "registrySyncerOptions.image-stream-tag", "An imagestreamtag that will be synced. It must be in namespace/name:tag format (e.G `ci/clonerefs:latest`). Can be passed multiple times.")
 	flag.Var(&opts.registrySyncerOptions.imageStreamsRaw, "registrySyncerOptions.image-stream", "An imagestream that will be synced. It must be in namespace/name format (e.G `ci/clonerefs`). Can be passed multiple times.")
+	flag.Var(&opts.registrySyncerOptions.imageStreamPrefixesRaw, "registrySyncerOptions.image-stream-prefix", "An imagestream prefix that will be synced. It must be in namespace/name format (e.G `ci/clonerefs`). Can be passed multiple times.")
 	flag.Var(&opts.registrySyncerOptions.imageStreamNamespacesRaw, "registrySyncerOptions.image-stream-namespace", "A namespace in which imagestreams will be synced (e.G `ci`). Can be passed multiple times.")
 	flag.Var(&opts.testImagesDistributorOptions.forbiddenRegistriesRaw, "testImagesDistributorOptions.forbidden-registry", "The hostname of an image registry from which there is no synchronization of its images. Can be passed multiple times.")
 	flag.StringVar(&opts.registrySyncerOptions.imagePullSecretPath, "registrySyncerOptions.imagePullSecretPath", "", "A file to use for reading an ImagePullSecret that will be bound to all `default` ServiceAccounts in all namespaces that have a test ImageStream on all build clusters")
@@ -174,6 +177,10 @@ func newOpts() (*options, error) {
 	errs = append(errs, isErrors...)
 	opts.registrySyncerOptions.imageStreams = imageStreams
 
+	imageStreamPrefixes, isErrors := completeImageStream("registrySyncerOptions.image-stream-prefix", opts.registrySyncerOptions.imageStreamPrefixesRaw)
+	errs = append(errs, isErrors...)
+	opts.registrySyncerOptions.imageStreamPrefixes = imageStreamPrefixes
+
 	opts.registrySyncerOptions.imageStreamNamespaces = completeSet(opts.registrySyncerOptions.imageStreamNamespacesRaw)
 
 	if opts.enabledControllersSet.Has(testimagesdistributor.ControllerName) && opts.stepConfigPath == "" {
@@ -459,6 +466,7 @@ func main() {
 			secretAgent.GetTokenGenerator(opts.registrySyncerOptions.imagePullSecretPath),
 			opts.registrySyncerOptions.imageStreamTags,
 			opts.registrySyncerOptions.imageStreams,
+			opts.registrySyncerOptions.imageStreamPrefixes,
 			opts.registrySyncerOptions.imageStreamNamespaces,
 		); err != nil {
 			logrus.WithError(err).Fatal("failed to add registrysyncer")
diff --git a/pkg/controller/registrysyncer/registrysyncer.go b/pkg/controller/registrysyncer/registrysyncer.go
index 18641b78f12..474beb11f70 100644
--- a/pkg/controller/registrysyncer/registrysyncer.go
+++ b/pkg/controller/registrysyncer/registrysyncer.go
@@ -35,6 +35,7 @@ func AddToManager(mgr manager.Manager,
 	pullSecretGetter func() []byte,
 	imageStreamTags sets.String,
 	imageStreams sets.String,
+	imageStreamPrefixes sets.String,
 	imageStreamNamespaces sets.String,
 ) error {
 	log := logrus.WithField("controller", ControllerName)
@@ -44,6 +45,7 @@ func AddToManager(mgr manager.Manager,
 		pullSecretGetter:      pullSecretGetter,
 		imageStreamTags:       imageStreamTags,
 		imageStreams:          imageStreams,
+		imageStreamPrefixes:   imageStreamPrefixes,
 		imageStreamNamespaces: imageStreamNamespaces,
 	}
 	for clusterName, m := range managers {
@@ -64,7 +66,7 @@ func AddToManager(mgr manager.Manager,
 	for _, m := range managers {
 		if err := c.Watch(
 			source.NewKindWithCache(&imagev1.ImageStream{}, m.GetCache()),
-			handlerFactory(testInputImageStreamTagFilterFactory(log, imageStreamTags, imageStreams, imageStreamNamespaces)),
+			handlerFactory(testInputImageStreamTagFilterFactory(log, imageStreamTags, imageStreams, imageStreamPrefixes, imageStreamNamespaces)),
 		); err != nil {
 			return fmt.Errorf("failed to create watch for ImageStreams: %w", err)
 		}
@@ -97,6 +99,7 @@ type reconciler struct {
 	pullSecretGetter      func() []byte
 	imageStreamTags       sets.String
 	imageStreams          sets.String
+	imageStreamPrefixes   sets.String
 	imageStreamNamespaces sets.String
 }
 
@@ -307,6 +310,7 @@ func testInputImageStreamTagFilterFactory(
 	l *logrus.Entry,
 	imageStreamTags sets.String,
 	imageStreams sets.String,
+	imageStreamPrefixes sets.String,
 	imageStreamNamespaces sets.String,
 ) objectFilter {
 	l = logrus.WithField("subcomponent", "test-input-image-stream-tag-filter")
@@ -325,6 +329,11 @@ func testInputImageStreamTagFilterFactory(
 		if imageStreams.Has(imageStreamName.String()) {
 			return true
 		}
+		for _, prefix := range imageStreamPrefixes.List() {
+			if strings.HasPrefix(imageStreamName.String(), prefix) {
+				return true
+			}
+		}
 		return false
 	}
 }
diff --git a/pkg/controller/registrysyncer/registrysyncer_test.go b/pkg/controller/registrysyncer/registrysyncer_test.go
index 30ef7ee4829..93964b3f828 100644
--- a/pkg/controller/registrysyncer/registrysyncer_test.go
+++ b/pkg/controller/registrysyncer/registrysyncer_test.go
@@ -482,6 +482,7 @@ func TestTestInputImageStreamTagFilterFactory(t *testing.T) {
 		l                     *logrus.Entry
 		imageStreamTags       sets.String
 		imageStreams          sets.String
+		imageStreamPrefixes   sets.String
 		imageStreamNamespaces sets.String
 		nn                    types.NamespacedName
 		expected              bool
@@ -508,6 +509,17 @@ func TestTestInputImageStreamTagFilterFactory(t *testing.T) {
 			imageStreamNamespaces: sets.NewString("some-namespace"),
 			expected:              true,
 		},
+		{
+			name:                "imageStreamPrefixes: true",
+			nn:                  types.NamespacedName{Namespace: "openshift", Name: "knative-v0.11.0:knative-eventing-sources-heartbeats-receiver"},
+			imageStreamPrefixes: sets.NewString("openshift/knative-"),
+			expected:            true,
+		},
+		{
+			name:                "imageStreamPrefixes: false",
+			nn:                  types.NamespacedName{Namespace: "openshift", Name: "ruby:2.3"},
+			imageStreamPrefixes: sets.NewString("openshift/knative-"),
+		},
 		{
 			name: "not valid isTag name",
 			nn:   types.NamespacedName{Namespace: "some-namespace", Name: "not-valid-name"},
@@ -517,7 +529,7 @@ func TestTestInputImageStreamTagFilterFactory(t *testing.T) {
 	for _, tc := range testCases {
 		t.Run(tc.name, func(t *testing.T) {
 			tc.l = logrus.WithField("tc.name", tc.name)
-			objectFilter := testInputImageStreamTagFilterFactory(tc.l, tc.imageStreamTags, tc.imageStreams, tc.imageStreamNamespaces)
+			objectFilter := testInputImageStreamTagFilterFactory(tc.l, tc.imageStreamTags, tc.imageStreams, tc.imageStreamPrefixes, tc.imageStreamNamespaces)
 			if diff := cmp.Diff(tc.expected, objectFilter(tc.nn)); diff != "" {
 				t.Errorf("actual does not match expected, diff: %s", diff)
 			}