diff --git a/src/main/java/io/ipfs/cid/Cid.java b/src/main/java/io/ipfs/cid/Cid.java
index 17f99fe..626087e 100644
--- a/src/main/java/io/ipfs/cid/Cid.java
+++ b/src/main/java/io/ipfs/cid/Cid.java
@@ -19,6 +19,7 @@ public enum Codec {
         Raw(0x55),
         DagProtobuf(0x70),
         DagCbor(0x71),
+        Libp2pKey(0x72),
         EthereumBlock(0x90),
         EthereumTx(0x91),
         BitcoinBlock(0xb0),