https://github.com/estesp/manifest-tool/issues/47

diff --git a/vendor/github.com/docker/distribution/reference/reference.go b/vendor/github.com/docker/distribution/reference/reference.go
index 52da523..3cf3d98 100644
--- a/vendor/github.com/docker/distribution/reference/reference.go
+++ b/vendor/github.com/docker/distribution/reference/reference.go
@@ -100,6 +100,13 @@ func (f *Field) UnmarshalText(p []byte) error {
 	return nil
 }
 
+func remoteName(name string) string {
+	if !strings.ContainsRune(name, '/') {
+		return "library/" + name
+	}
+	return name
+}
+
 // Named is an object with a full name
 type Named interface {
 	Reference
@@ -304,7 +311,7 @@ func (r reference) String() string {
 }
 
 func (r reference) Name() string {
-	return r.name
+	return remoteName(r.name)
 }
 
 func (r reference) Tag() string {
@@ -322,7 +329,7 @@ func (r repository) String() string {
 }
 
 func (r repository) Name() string {
-	return string(r)
+	return remoteName(string(r))
 }
 
 type digestReference digest.Digest
@@ -345,7 +352,7 @@ func (t taggedReference) String() string {
 }
 
 func (t taggedReference) Name() string {
-	return t.name
+	return remoteName(t.name)
 }
 
 func (t taggedReference) Tag() string {
@@ -362,7 +369,7 @@ func (c canonicalReference) String() string {
 }
 
 func (c canonicalReference) Name() string {
-	return c.name
+	return remoteName(c.name)
 }
 
 func (c canonicalReference) Digest() digest.Digest {