diff --git a/_rsrch/cidiface/enums.go b/_rsrch/cidiface/enums.go
index 53e3d47fffb3485ac1db3e4c4b3d396bf7a8c7b6..6a1ef9b0b7ae88396cd1fef53db30005b961d152 100644
--- a/_rsrch/cidiface/enums.go
+++ b/_rsrch/cidiface/enums.go
@@ -8,6 +8,7 @@ const (
 
 	DagProtobuf = 0x70
 	DagCBOR     = 0x71
+	Libp2pKey   = 0x72
 
 	GitRaw = 0x78
 
@@ -34,6 +35,7 @@ var Codecs = map[string]uint64{
 	"raw":                  Raw,
 	"protobuf":             DagProtobuf,
 	"cbor":                 DagCBOR,
+	"libp2p-key":           Libp2pKey,
 	"git-raw":              GitRaw,
 	"eth-block":            EthBlock,
 	"eth-block-list":       EthBlockList,
@@ -57,6 +59,7 @@ var CodecToStr = map[uint64]string{
 	Raw:                "raw",
 	DagProtobuf:        "protobuf",
 	DagCBOR:            "cbor",
+	Libp2pKey:          "libp2p-key",
 	GitRaw:             "git-raw",
 	EthBlock:           "eth-block",
 	EthBlockList:       "eth-block-list",
diff --git a/cid.go b/cid.go
index 6b62d30d7f63daee8405f0a188613b73eb31fa72..d88b661134f46ac6fa27f7227a6f856c408a887d 100644
--- a/cid.go
+++ b/cid.go
@@ -62,6 +62,7 @@ const (
 
 	DagProtobuf = 0x70
 	DagCBOR     = 0x71
+	Libp2pKey   = 0x72
 
 	GitRaw = 0x78
 
@@ -90,6 +91,7 @@ var Codecs = map[string]uint64{
 	"raw":                  Raw,
 	"protobuf":             DagProtobuf,
 	"cbor":                 DagCBOR,
+	"libp2p-key":           Libp2pKey,
 	"git-raw":              GitRaw,
 	"eth-block":            EthBlock,
 	"eth-block-list":       EthBlockList,
diff --git a/cid_test.go b/cid_test.go
index a1dae640728b80a77f189830f7034a53b5705bc9..1c181f960388ff55414c34c39a0e0615e7136bf0 100644
--- a/cid_test.go
+++ b/cid_test.go
@@ -19,6 +19,7 @@ var tCodecs = map[uint64]string{
 	Raw:                "raw",
 	DagProtobuf:        "protobuf",
 	DagCBOR:            "cbor",
+	Libp2pKey:          "libp2p-key",
 	GitRaw:             "git-raw",
 	EthBlock:           "eth-block",
 	EthBlockList:       "eth-block-list",