diff --git a/pkg/oras/push.go b/pkg/oras/push.go
index c8be4c7d0..73f826db6 100644
--- a/pkg/oras/push.go
+++ b/pkg/oras/push.go
@@ -68,6 +68,9 @@ func pack(provider content.Provider, descriptors []ocispec.Descriptor, opts *pus
 	if opts.configAnnotations != nil {
 		config.Annotations = opts.configAnnotations
 	}
+	if opts.configMediaType != "" {
+		config.MediaType = opts.configMediaType
+	}
 
 	// Manifest
 	manifest := ocispec.Manifest{
diff --git a/pkg/oras/push_opts.go b/pkg/oras/push_opts.go
index 6a54f7509..c8aa7a8e9 100644
--- a/pkg/oras/push_opts.go
+++ b/pkg/oras/push_opts.go
@@ -13,6 +13,7 @@ import (
 
 type pushOpts struct {
 	config              *ocispec.Descriptor
+	configMediaType     string
 	configAnnotations   map[string]string
 	manifestAnnotations map[string]string
 	validateName        func(desc ocispec.Descriptor) error
@@ -36,6 +37,14 @@ func WithConfig(config ocispec.Descriptor) PushOpt {
 	}
 }
 
+// WithConfigMediaType overrides the config media type
+func WithConfigMediaType(mediaType string) PushOpt {
+	return func(o *pushOpts) error {
+		o.configMediaType = mediaType
+		return nil
+	}
+}
+
 // WithConfigAnnotations overrides the config annotations
 func WithConfigAnnotations(annotations map[string]string) PushOpt {
 	return func(o *pushOpts) error {