diff --git a/pkg/cmd/attestation/api/attestation.go b/pkg/cmd/attestation/api/attestation.go
index 2b96a51fc..ea055b293 100644
--- a/pkg/cmd/attestation/api/attestation.go
+++ b/pkg/cmd/attestation/api/attestation.go
@@ -25,7 +25,7 @@ func newErrNoAttestations(name, digest string) ErrNoAttestations {
 }
 
 type Attestation struct {
-	Bundle *bundle.ProtobufBundle `json:"bundle"`
+	Bundle *bundle.Bundle `json:"bundle"`
 }
 
 type AttestationsResponse struct {
diff --git a/pkg/cmd/attestation/artifact/oci/client.go b/pkg/cmd/attestation/artifact/oci/client.go
index 5428fff2f..bda114708 100644
--- a/pkg/cmd/attestation/artifact/oci/client.go
+++ b/pkg/cmd/attestation/artifact/oci/client.go
@@ -132,7 +132,7 @@ func (c LiveClient) GetAttestations(ref name.Reference, digest string) ([]*api.A
 				return attestations, fmt.Errorf("error getting referrer image: %w", err)
 			}
 
-			b := &bundle.ProtobufBundle{}
+			b := &bundle.Bundle{}
 			err = b.UnmarshalJSON(bundleBytes)
 
 			if err != nil {
diff --git a/pkg/cmd/attestation/test/data/data.go b/pkg/cmd/attestation/test/data/data.go
index 77f07e60c..b33efaa28 100644
--- a/pkg/cmd/attestation/test/data/data.go
+++ b/pkg/cmd/attestation/test/data/data.go
@@ -12,6 +12,6 @@ import (
 var SigstoreBundleRaw []byte
 
 // SigstoreBundle returns a test *sigstore.Bundle
-func SigstoreBundle(t *testing.T) *bundle.ProtobufBundle {
+func SigstoreBundle(t *testing.T) *bundle.Bundle {
 	return sgData.TestBundle(t, SigstoreBundleRaw)
 }
diff --git a/pkg/cmd/attestation/verification/attestation.go b/pkg/cmd/attestation/verification/attestation.go
index 3a2d7456f..4b2545f62 100644
--- a/pkg/cmd/attestation/verification/attestation.go
+++ b/pkg/cmd/attestation/verification/attestation.go
@@ -86,7 +86,7 @@ func loadBundlesFromJSONLinesFile(path string) ([]*api.Attestation, error) {
 	decoder := json.NewDecoder(bytes.NewReader(fileContent))
 
 	for decoder.More() {
-		var bundle bundle.ProtobufBundle
+		var bundle bundle.Bundle
 		bundle.Bundle = new(protobundle.Bundle)
 		if err := decoder.Decode(&bundle); err != nil {
 			return nil, fmt.Errorf("failed to unmarshal bundle from JSON: %v", err)
diff --git a/pkg/cmd/attestation/verification/attestation_test.go b/pkg/cmd/attestation/verification/attestation_test.go
index 66b337ad7..a3f444572 100644
--- a/pkg/cmd/attestation/verification/attestation_test.go
+++ b/pkg/cmd/attestation/verification/attestation_test.go
@@ -92,7 +92,7 @@ func TestGetLocalAttestations(t *testing.T) {
 func TestFilterAttestations(t *testing.T) {
 	attestations := []*api.Attestation{
 		{
-			Bundle: &bundle.ProtobufBundle{
+			Bundle: &bundle.Bundle{
 				Bundle: &protobundle.Bundle{
 					Content: &protobundle.Bundle_DsseEnvelope{
 						DsseEnvelope: &dsse.Envelope{
@@ -104,7 +104,7 @@ func TestFilterAttestations(t *testing.T) {
 			},
 		},
 		{
-			Bundle: &bundle.ProtobufBundle{
+			Bundle: &bundle.Bundle{
 				Bundle: &protobundle.Bundle{
 					Content: &protobundle.Bundle_DsseEnvelope{
 						DsseEnvelope: &dsse.Envelope{
@@ -116,7 +116,7 @@ func TestFilterAttestations(t *testing.T) {
 			},
 		},
 		{
-			Bundle: &bundle.ProtobufBundle{
+			Bundle: &bundle.Bundle{
 				Bundle: &protobundle.Bundle{
 					Content: &protobundle.Bundle_DsseEnvelope{
 						DsseEnvelope: &dsse.Envelope{
diff --git a/pkg/cmd/attestation/verification/sigstore.go b/pkg/cmd/attestation/verification/sigstore.go
index d86a709b5..9a4ac5194 100644
--- a/pkg/cmd/attestation/verification/sigstore.go
+++ b/pkg/cmd/attestation/verification/sigstore.go
@@ -55,7 +55,7 @@ func NewLiveSigstoreVerifier(config SigstoreConfig) *LiveSigstoreVerifier {
 	}
 }
 
-func (v *LiveSigstoreVerifier) chooseVerifier(b *bundle.ProtobufBundle) (*verify.SignedEntityVerifier, string, error) {
+func (v *LiveSigstoreVerifier) chooseVerifier(b *bundle.Bundle) (*verify.SignedEntityVerifier, string, error) {
 	if !b.MinVersion("0.2") {
 		return nil, "", fmt.Errorf("unsupported bundle version: %s", b.MediaType)
 	}