diff --git a/test/rekt/features/sinkbinding/feature.go b/test/rekt/features/sinkbinding/feature.go
index bc6b83e43fc..29bde0261b7 100644
--- a/test/rekt/features/sinkbinding/feature.go
+++ b/test/rekt/features/sinkbinding/feature.go
@@ -120,6 +120,45 @@ func SinkBindingV1Job(ctx context.Context) *feature.Feature {
 	return f
 }
 
+func SinkBindingV1DeploymentTLS(ctx context.Context) *feature.Feature {
+	sbinding := feature.MakeRandomK8sName("sinkbinding")
+	sink := feature.MakeRandomK8sName("sink")
+	subject := feature.MakeRandomK8sName("subject")
+
+	f := feature.NewFeatureNamed("SinkBinding V1 Deployment test with TLS")
+
+	f.Setup("install sink", eventshub.Install(sink, eventshub.StartReceiverTLS))
+	
+	f.Setup("install a deployment", deployment.Install(subject, heartbeatsImage,
+		deployment.WithEnvs(map[string]string{
+			"POD_NAME":      "heartbeats",
+			"POD_NAMESPACE": env.Namespace(),
+		})))
+	extensions := map[string]string{
+		"sinkbinding": extensionSecret,
+	}
+	cfg := []manifest.CfgFn{
+		sinkbinding.WithExtensions(extensions),
+		deployment.AsTrackerReference(subject),
+	}
+
+	f.Requirement("install SinkBinding", func(ctx context.Context, t feature.T) {
+		d := service.AsDestinationRef(sink)
+		d.CACerts = eventshub.GetCaCerts(ctx)
+
+		cfg = append(cfg, sinkbinding.WithSink(d))
+		sinkbinding.Install(sbinding, cfg...)(ctx, t)
+	})
+	f.Requirement("SinkBinding goes ready", sinkbinding.IsReady(sbinding))
+	f.Stable("SinkBinding as event source").
+		Must("delivers events on sink with ref",
+			eventasssert.OnStore(sink).
+				Match(eventasssert.MatchKind(eventshub.EventReceived)).
+				AtLeast(1),
+		)
+	return f
+}
+
 // AsTrackerReference returns a tracker.Reference for a Job without namespace.
 func AsTrackerReference(name string) *tracker.Reference {
 	return &tracker.Reference{
diff --git a/test/rekt/resources/sinkbinding/sinkbinding.go b/test/rekt/resources/sinkbinding/sinkbinding.go
index 291c8ff0570..a1c68c1303f 100644
--- a/test/rekt/resources/sinkbinding/sinkbinding.go
+++ b/test/rekt/resources/sinkbinding/sinkbinding.go
@@ -19,6 +19,7 @@ package sinkbinding
 import (
 	"context"
 	"embed"
+	"strings"
 	"time"
 
 	"k8s.io/apimachinery/pkg/runtime/schema"
@@ -106,6 +107,38 @@ func WithExtensions(extensions map[string]string) manifest.CfgFn {
 	}
 }
 
+func WithSink(d *duckv1.Destination) manifest.CfgFn {
+	return func(cfg map[string]interface{}) {
+	if _, set := cfg["sink"]; !set {
+		cfg["sink"] = map[string]interface{}{}
+	}
+	sink := cfg["sink"].(map[string]interface{})
+
+	ref := d.Ref
+	uri := d.URI
+
+	if d.CACerts != nil {
+		// This is a multi-line string and should be indented accordingly.
+		// Replace "new line" with "new line + spaces".
+		sink["CACerts"] = strings.ReplaceAll(*d.CACerts, "\n", "\n      ")
+	}
+
+	if uri != nil {
+		sink["uri"] = uri.String()
+	}
+	if ref != nil {
+		    if _, set := sink["ref"]; !set {
+			     sink["ref"] = map[string]interface{}{}
+		    }
+		    sref := sink["ref"].(map[string]interface{})
+		    sref["apiVersion"] = ref.APIVersion
+		    sref["kind"] = ref.Kind
+		    // skip namespace
+		    sref["name"] = ref.Name
+		}
+        }
+}
+
 // IsReady tests to see if a PingSource becomes ready within the time given.
 func IsReady(name string, timing ...time.Duration) feature.StepFn {
 	return k8s.IsReady(Gvr(), name, timing...)
diff --git a/test/rekt/resources/sinkbinding/sinkbinding.yaml b/test/rekt/resources/sinkbinding/sinkbinding.yaml
index c38f9dd5f3c..441b688cfad 100644
--- a/test/rekt/resources/sinkbinding/sinkbinding.yaml
+++ b/test/rekt/resources/sinkbinding/sinkbinding.yaml
@@ -38,6 +38,10 @@ spec:
       namespace: {{ .namespace }}
       name: {{ .sink.ref.name }}
     {{ end }}
+    {{ if .sink.CACerts }}
+    CACerts: |-
+      {{ .sink.CACerts }}
+    {{ end }}
     {{ if .sink.uri }}
     uri: {{ .sink.uri }}
     {{ end }}
diff --git a/test/rekt/resources/sinkbinding/sinkbinding_test.go b/test/rekt/resources/sinkbinding/sinkbinding_test.go
index aa0684b761b..fb2d4e47c5f 100644
--- a/test/rekt/resources/sinkbinding/sinkbinding_test.go
+++ b/test/rekt/resources/sinkbinding/sinkbinding_test.go
@@ -141,3 +141,42 @@ func Example_full() {
 	//         match1: this
 	//         match2: that
 }
+
+func Example_withSink() {
+	ctx := testlog.NewContext()
+	images := map[string]string{}
+	cfg := map[string]interface{}{
+		"name":      "foo",
+		"namespace": "bar",
+	}
+
+	sinkRef := &duckv1.Destination{
+		Ref: &duckv1.KReference{
+			Kind:       "sinkkind",
+			Namespace:  "sinknamespace",
+			Name:       "sinkname",
+			APIVersion: "sinkversion",
+		},
+		URI: &apis.URL{Path: "uri/parts"},
+    }
+    sinkbinding.WithSink(sinkRef)(cfg)
+	files, err := manifest.ExecuteYAML(ctx, yaml, images, cfg)
+	if err != nil {
+		panic(err)
+	}
+
+	manifest.OutputYAML(os.Stdout, files)
+    // Output:
+	// apiVersion: sources.knative.dev/v1
+	// kind: SinkBinding
+	// metadata:
+	//   name: foo
+	//   namespace: bar
+	// spec:
+	//   sink:
+	//     ref:
+	//          kind: sinkkind
+	// 			namespace: bar
+	// 			name: sinkname
+	// 			apiVersion: sinkversion
+	//     uri: uri/parts
\ No newline at end of file
diff --git a/test/rekt/sink_binding_test.go b/test/rekt/sink_binding_test.go
index 47635bd45d3..721778cf675 100644
--- a/test/rekt/sink_binding_test.go
+++ b/test/rekt/sink_binding_test.go
@@ -24,6 +24,7 @@ import (
 
 	"knative.dev/pkg/system"
 	"knative.dev/reconciler-test/pkg/environment"
+	"knative.dev/reconciler-test/pkg/eventshub"
 	"knative.dev/reconciler-test/pkg/k8s"
 	"knative.dev/reconciler-test/pkg/knative"
 
@@ -45,6 +46,22 @@ func TestSinkBindingV1Deployment(t *testing.T) {
 	env.Test(ctx, t, sinkbinding.SinkBindingV1Deployment(ctx))
 }
 
+func TestSinkBindingV1DeploymentTLS(t *testing.T) {
+	t.Parallel()
+
+	ctx, env := global.Environment(
+		knative.WithKnativeNamespace(system.Namespace()),
+		knative.WithLoggingConfig,
+		knative.WithTracingConfig,
+		k8s.WithEventListener,
+		//environment.Managed(t),
+		eventshub.WithTLS(t),
+	)
+	t.Cleanup(env.Finish)
+
+	env.Test(ctx, t, sinkbinding.SinkBindingV1DeploymentTLS(ctx))
+}
+
 func TestSinkBindingV1Job(t *testing.T) {
 	t.Parallel()