diff --git a/_rsrch/cidiface/enums.go b/_rsrch/cidiface/enums.go
index 56deb6c4344866a589d2a2e2e97a9cbee6eb42ec..03d640cbddde961b698a9c90864e8f8fb80fffe9 100644
--- a/_rsrch/cidiface/enums.go
+++ b/_rsrch/cidiface/enums.go
@@ -9,6 +9,7 @@ const (
 	DagProtobuf = 0x70
 	DagCBOR     = 0x71
 	P2pKey      = 0x72
+	Dms3Key     = 0x3E01A5
 
 	GitRaw = 0x78
 
@@ -36,6 +37,7 @@ var Codecs = map[string]uint64{
 	"protobuf":             DagProtobuf,
 	"cbor":                 DagCBOR,
 	"p2p-key":              P2pKey,
+	"dms3-key":             Dms3Key,
 	"git-raw":              GitRaw,
 	"eth-block":            EthBlock,
 	"eth-block-list":       EthBlockList,
@@ -60,6 +62,7 @@ var CodecToStr = map[uint64]string{
 	DagProtobuf:        "protobuf",
 	DagCBOR:            "cbor",
 	P2pKey:             "p2p-key",
+	Dms3Key:            "dms3-key",
 	GitRaw:             "git-raw",
 	EthBlock:           "eth-block",
 	EthBlockList:       "eth-block-list",
diff --git a/cid.go b/cid.go
index 73a4d62d06f4a3dfc07a5932e9c9872cb342fcbe..00093aff8e45510e9bf6b2b90f728e3be7b4056c 100644
--- a/cid.go
+++ b/cid.go
@@ -55,6 +55,7 @@ const (
 	DagProtobuf = 0x70
 	DagCBOR     = 0x71
 	P2pKey      = 0x72
+	Dms3Key     = 0x3E01A5
 
 	GitRaw = 0x78
 
@@ -87,6 +88,7 @@ var Codecs = map[string]uint64{
 	"protobuf":                DagProtobuf,
 	"cbor":                    DagCBOR,
 	"p2p-key":                 P2pKey,
+	"dms3-key":                Dms3Key,
 	"git-raw":                 GitRaw,
 	"eth-block":               EthBlock,
 	"eth-block-list":          EthBlockList,
diff --git a/cid_test.go b/cid_test.go
index b1a798663de126196ff78332fb7535e49bec4c8f..708b3ad09afbd7e6d451c09098bbb9a2cf74d01d 100644
--- a/cid_test.go
+++ b/cid_test.go
@@ -23,6 +23,7 @@ var tCodecs = map[uint64]string{
 	DagProtobuf:           "protobuf",
 	DagCBOR:               "cbor",
 	P2pKey:                "p2p-key",
+	Dms3Key:               "dms3-key",
 	GitRaw:                "git-raw",
 	EthBlock:              "eth-block",
 	EthBlockList:          "eth-block-list",