diff --git a/go.mod b/go.mod
index 5823258..5516007 100644
--- a/go.mod
+++ b/go.mod
@@ -47,7 +47,7 @@ require (
 	github.com/onsi/ginkgo v1.8.0 // indirect
 	github.com/onsi/gomega v1.5.0 // indirect
 	github.com/opencontainers/go-digest v1.0.0-rc1 // indirect
-	github.com/opencontainers/image-spec v1.0.1 // indirect
+	github.com/opencontainers/image-spec v1.0.2 // indirect
 	github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/rivo/uniseg v0.4.2 // indirect
diff --git a/go.sum b/go.sum
index d36e8ec..22c5f07 100644
--- a/go.sum
+++ b/go.sum
@@ -90,8 +90,8 @@ github.com/onsi/gomega v1.5.0 h1:izbySO9zDPmjJ8rDjLvkA2zJHIo+HkYXHnf7eN7SSyo=
 github.com/onsi/gomega v1.5.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 github.com/opencontainers/go-digest v1.0.0-rc1 h1:WzifXhOVOEOuFYOJAW6aQqW0TooG2iki3E3Ii+WN7gQ=
 github.com/opencontainers/go-digest v1.0.0-rc1/go.mod h1:cMLVZDEM3+U2I4VmLI6N8jQYUd2OVphdqWwCJHrFt2s=
-github.com/opencontainers/image-spec v1.0.1 h1:JMemWkRwHx4Zj+fVxWoMCFm/8sYGGrUVojFA6h/TRcI=
-github.com/opencontainers/image-spec v1.0.1/go.mod h1:BtxoFyWECRxE4U/7sNtV5W15zMzWCbyJoFRP3s7yZA0=
+github.com/opencontainers/image-spec v1.0.2 h1:9yCKha/T5XdGtO0q9Q9a6T5NUCsTn/DrBg0D7ufOcFM=
+github.com/opencontainers/image-spec v1.0.2/go.mod h1:BtxoFyWECRxE4U/7sNtV5W15zMzWCbyJoFRP3s7yZA0=
 github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5 h1:q2e307iGHPdTGp0hoxKjt1H5pDo6utceo3dQVK3I5XQ=
 github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5/go.mod h1:jvVRKCrJTQWu0XVbaOlby/2lO20uSCHEMzzplHXte1o=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
diff --git a/vendor/github.com/opencontainers/image-spec/specs-go/v1/index.go b/vendor/github.com/opencontainers/image-spec/specs-go/v1/index.go
index 4e6c4b2..82da6c6 100644
--- a/vendor/github.com/opencontainers/image-spec/specs-go/v1/index.go
+++ b/vendor/github.com/opencontainers/image-spec/specs-go/v1/index.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"`
 
diff --git a/vendor/github.com/opencontainers/image-spec/specs-go/v1/manifest.go b/vendor/github.com/opencontainers/image-spec/specs-go/v1/manifest.go
index 7ff32c4..d72d15c 100644
--- a/vendor/github.com/opencontainers/image-spec/specs-go/v1/manifest.go
+++ b/vendor/github.com/opencontainers/image-spec/specs-go/v1/manifest.go
@@ -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"`
diff --git a/vendor/github.com/opencontainers/image-spec/specs-go/version.go b/vendor/github.com/opencontainers/image-spec/specs-go/version.go
index 5d493df..0d9543f 100644
--- a/vendor/github.com/opencontainers/image-spec/specs-go/version.go
+++ b/vendor/github.com/opencontainers/image-spec/specs-go/version.go
@@ -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 = ""
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 31c8a04..a20db99 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -157,7 +157,7 @@ github.com/mgutz/str
 # github.com/opencontainers/go-digest v1.0.0-rc1
 ## explicit
 github.com/opencontainers/go-digest
-# github.com/opencontainers/image-spec v1.0.1
+# github.com/opencontainers/image-spec v1.0.2
 ## explicit
 github.com/opencontainers/image-spec/specs-go
 github.com/opencontainers/image-spec/specs-go/v1