@@ -276,11 +276,7 @@ func TestPluginBackCompatMediaTypes(t *testing.T) {

 	assert.NilError(t, err)

 	defer rdr.Close()

-	type manifest struct {

-		MediaType string

-		v1.Manifest

-	}

-	var m manifest

+	var m v1.Manifest

 	assert.NilError(t, json.NewDecoder(rdr).Decode(&m))

 	assert.Check(t, cmp.Equal(m.MediaType, images.MediaTypeDockerSchema2Manifest))

 	assert.Check(t, cmp.Len(m.Layers, 1))

@@ -89,7 +89,7 @@ google.golang.org/grpc                              f495f5b15ae7ccda3b38c53a1bfc

 # packages but should be newer or equal.

 github.com/opencontainers/runc                      52b36a2dd837e8462de8e01458bf02cf9eea47dd # v1.0.2

 github.com/opencontainers/runtime-spec              1c3f411f041711bbeecf35ff7e93461ea6789220 # v1.0.3-0.20210326190908-1c3f411f0417

-github.com/opencontainers/image-spec                d60099175f88c47cd379c4738d158884749ed235 # v1.0.1

+github.com/opencontainers/image-spec                67d2d5658fe0476ab9bf414cec164077ebff3920 # v1.0.2

 github.com/cyphar/filepath-securejoin               a261ee33d7a517f054effbf451841abaafe3e0fd # v0.2.2

 # go-systemd v17 is required by github.com/coreos/pkg/capnslog/journald_formatter.go

@@ -21,6 +21,9 @@ import "github.com/opencontainers/image-spec/specs-go"

 type Index struct {

 	specs.Versioned

+	// MediaType specificies the type of this document data structure e.g. `application/vnd.oci.image.index.v1+json`

+	MediaType string `json:"mediaType,omitempty"`

+

 	// Manifests references platform specific manifests.

 	Manifests []Descriptor `json:"manifests"`

@@ -20,6 +20,9 @@ import "github.com/opencontainers/image-spec/specs-go"

 type Manifest struct {

 	specs.Versioned

+	// MediaType specificies the type of this document data structure e.g. `application/vnd.oci.image.manifest.v1+json`

+	MediaType string `json:"mediaType,omitempty"`

+

 	// Config references a configuration object for a container, by digest.

 	// The referenced configuration object is a JSON blob that the runtime uses to set up the container.

 	Config Descriptor `json:"config"`

@@ -22,7 +22,7 @@ const (

 	// VersionMinor is for functionality in a backwards-compatible manner

 	VersionMinor = 0

 	// VersionPatch is for backwards-compatible bug fixes

-	VersionPatch = 1

+	VersionPatch = 2

 	// VersionDev indicates development branch. Releases will be empty string.

 	VersionDev = ""