diff --git a/specs/simple-serialize.md b/specs/simple-serialize.md
index 3740adbf5..9dbad7c8d 100644
--- a/specs/simple-serialize.md
+++ b/specs/simple-serialize.md
@@ -440,6 +440,7 @@ return hash(b''.join([hash_tree_root(getattr(x, field)) for field in value.field
 |   Javascript   | [ https://github.com/ChainSafeSystems/ssz-js/blob/master/src/index.js ](https://github.com/ChainSafeSystems/ssz-js/blob/master/src/index.js)                                         | Javascript Implementation maintained SSZ |
 |   Java   | [ https://www.github.com/ConsenSys/cava/tree/master/ssz ](https://www.github.com/ConsenSys/cava/tree/master/ssz) | SSZ Java library part of the Cava suite |
 |   Go   | [ https://github.com/prysmaticlabs/prysm/tree/master/shared/ssz ](https://github.com/prysmaticlabs/prysm/tree/master/shared/ssz) | Go implementation of SSZ mantained by Prysmatic Labs |
+|  Swift | [ https://github.com/yeeth/SimpleSerialize.swift ](https://github.com/yeeth/SimpleSerialize.swift) | Swift implenetation maintained by [@decanus](https://github.com/decanus) and [@tueric](https://github.com/tueric) |
 
 
 ## Copyright