diff --git a/pkg/app/piped/cloudprovider/cloudrun/servicemanifest.go b/pkg/app/piped/cloudprovider/cloudrun/servicemanifest.go
index 119ecb4e6c..92f1324100 100644
--- a/pkg/app/piped/cloudprovider/cloudrun/servicemanifest.go
+++ b/pkg/app/piped/cloudprovider/cloudrun/servicemanifest.go
@@ -23,6 +23,8 @@ import (
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/runtime"
 	"sigs.k8s.io/yaml"
+
+	"github.com/pipe-cd/pipecd/pkg/model"
 )
 
 type ServiceManifest struct {
@@ -199,3 +201,36 @@ func parseContainerImage(image string) (name, tag string) {
 	name = paths[len(paths)-1]
 	return
 }
+
+func FindArtifactVersions(sm ServiceManifest) ([]*model.ArtifactVersion, error) {
+	containers, ok, err := unstructured.NestedSlice(sm.u.Object, "spec", "template", "spec", "containers")
+	if err != nil {
+		return nil, err
+	}
+	if !ok || len(containers) == 0 {
+		return nil, fmt.Errorf("spec.template.spec.containers was missing")
+	}
+
+	container, err := runtime.DefaultUnstructuredConverter.ToUnstructured(&containers[0])
+	if err != nil {
+		return nil, fmt.Errorf("invalid container format")
+	}
+
+	image, ok, err := unstructured.NestedString(container, "image")
+	if err != nil {
+		return nil, err
+	}
+	if !ok || image == "" {
+		return nil, fmt.Errorf("image was missing")
+	}
+	name, tag := parseContainerImage(image)
+
+	return []*model.ArtifactVersion{
+		{
+			Kind:    model.ArtifactVersion_CONTAINER_IMAGE,
+			Version: tag,
+			Name:    name,
+			Url:     image,
+		},
+	}, nil
+}
diff --git a/pkg/app/piped/cloudprovider/cloudrun/servicemanifest_test.go b/pkg/app/piped/cloudprovider/cloudrun/servicemanifest_test.go
index 7818155f78..e5c655376a 100644
--- a/pkg/app/piped/cloudprovider/cloudrun/servicemanifest_test.go
+++ b/pkg/app/piped/cloudprovider/cloudrun/servicemanifest_test.go
@@ -19,6 +19,8 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+
+	"github.com/pipe-cd/pipecd/pkg/model"
 )
 
 const serviceManifest = `
@@ -288,3 +290,130 @@ spec:
 		})
 	}
 }
+
+func TestFindArtifactVersions(t *testing.T) {
+	testcases := []struct {
+		name     string
+		manifest string
+		want     []*model.ArtifactVersion
+		wantErr  bool
+	}{
+		{
+			name: "ok",
+			manifest: `
+apiVersion: serving.knative.dev/v1
+kind: Service
+metadata:
+  name: helloworld
+  labels:
+    cloud.googleapis.com/location: asia-northeast1
+    pipecd-dev-managed-by: piped
+  annotations:
+    run.googleapis.com/ingress: all
+    run.googleapis.com/ingress-status: all
+spec:
+  template:
+    metadata:
+      name: helloworld-v010-1234567
+      annotations:
+        autoscaling.knative.dev/maxScale: '1'
+    spec:
+      containerConcurrency: 80
+      timeoutSeconds: 300
+      containers:
+      - image: gcr.io/pipecd/helloworld:v0.1.0
+        args:
+        - server
+        ports:
+        - name: http1
+          containerPort: 9085
+        resources:
+          limits:
+            cpu: 1000m
+            memory: 128Mi
+  traffic:
+  - revisionName: helloworld-v010-1234567
+    percent: 100
+`,
+			want: []*model.ArtifactVersion{
+				{
+					Kind:    model.ArtifactVersion_CONTAINER_IMAGE,
+					Version: "v0.1.0",
+					Name:    "helloworld",
+					Url:     "gcr.io/pipecd/helloworld:v0.1.0",
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "err: containers missing",
+			manifest: `
+apiVersion: serving.knative.dev/v1
+kind: Service
+metadata:
+  name: helloworld
+spec:
+  template:
+    metadata:
+      name: helloworld-v010-1234567
+      annotations:
+        autoscaling.knative.dev/maxScale: '1'
+    spec:
+      containerConcurrency: 80
+      timeoutSeconds: 300
+`,
+			want:    nil,
+			wantErr: true,
+		},
+		{
+			name: "err: image missing",
+			manifest: `
+apiVersion: serving.knative.dev/v1
+kind: Service
+metadata:
+  name: helloworld
+  labels:
+    cloud.googleapis.com/location: asia-northeast1
+    pipecd-dev-managed-by: piped
+  annotations:
+    run.googleapis.com/ingress: all
+    run.googleapis.com/ingress-status: all
+spec:
+  template:
+    metadata:
+      name: helloworld-v010-1234567
+      annotations:
+        autoscaling.knative.dev/maxScale: '1'
+    spec:
+      containerConcurrency: 80
+      timeoutSeconds: 300
+      containers:
+      - args:
+        - server
+        ports:
+        - name: http1
+          containerPort: 9085
+        resources:
+          limits:
+            cpu: 1000m
+            memory: 128Mi
+  traffic:
+  - revisionName: helloworld-v010-1234567
+    percent: 100
+`,
+			want:    nil,
+			wantErr: true,
+		},
+	}
+	for _, tc := range testcases {
+		t.Run(tc.name, func(t *testing.T) {
+			data := []byte(tc.manifest)
+			sm, err := ParseServiceManifest(data)
+			require.NoError(t, err)
+
+			got, err := FindArtifactVersions(sm)
+			require.Equal(t, tc.wantErr, err != nil)
+			require.Equal(t, tc.want, got)
+		})
+	}
+}
diff --git a/pkg/app/piped/planner/cloudrun/cloudrun.go b/pkg/app/piped/planner/cloudrun/cloudrun.go
index 438310afa2..3b1396de73 100644
--- a/pkg/app/piped/planner/cloudrun/cloudrun.go
+++ b/pkg/app/piped/planner/cloudrun/cloudrun.go
@@ -62,6 +62,17 @@ func (p *Planner) Plan(ctx context.Context, in planner.Input) (out planner.Outpu
 		in.Logger.Warn("unable to determine target version", zap.Error(e))
 	}
 
+	out.Versions, err = p.determineVersions(ds.AppDir, cfg.Input.ServiceManifestFile)
+	if err != nil {
+		in.Logger.Warn("unable to determine target versions", zap.Error(err))
+		out.Versions = []*model.ArtifactVersion{
+			{
+				Kind:    model.ArtifactVersion_UNKNOWN,
+				Version: "unknown",
+			},
+		}
+	}
+
 	autoRollback := *cfg.Input.AutoRollback
 
 	// In case the strategy has been decided by trigger.
@@ -133,3 +144,12 @@ func (p *Planner) determineVersion(appDir, serviceManifestFile string) (string,
 
 	return provider.FindImageTag(sm)
 }
+
+func (p *Planner) determineVersions(appDir, serviceManifestFile string) ([]*model.ArtifactVersion, error) {
+	sm, err := provider.LoadServiceManifest(appDir, serviceManifestFile)
+	if err != nil {
+		return nil, err
+	}
+
+	return provider.FindArtifactVersions(sm)
+}