diff --git a/specs/simple-serialize.md b/specs/simple-serialize.md
index 82b8a5e9a..5e666706d 100644
--- a/specs/simple-serialize.md
+++ b/specs/simple-serialize.md
@@ -343,6 +343,6 @@ return deserialized_list, new_index
 | Language | Implementation                                                                                                                                                     | Description                                              |
 |:--------:|--------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------|
 |  Python  | [ https://github.com/ethereum/beacon_chain/blob/master/ssz/ssz.py ](https://github.com/ethereum/beacon_chain/blob/master/ssz/ssz.py)                               | Beacon chain reference implementation written in Python. |
-|   Rust   | [ https://github.com/sigp/lighthouse/tree/master/ssz ](https://github.com/sigp/lighthouse/tree/master/ssz)                                                         | Lighthouse (Rust Ethereum 2.0 Node) maintained SSZ.      |
+|   Rust   | [ https://github.com/sigp/lighthouse/tree/master/beacon_chain/utils/ssz ](https://github.com/sigp/lighthouse/tree/master/beacon_chain/utils/ssz)                                                         | Lighthouse (Rust Ethereum 2.0 Node) maintained SSZ.      |
 |    Nim   | [ https://github.com/status-im/nim-beacon-chain/blob/master/beacon_chain/ssz.nim ](https://github.com/status-im/nim-beacon-chain/blob/master/beacon_chain/ssz.nim) | Nim Implementation maintained SSZ.                       |
 |   Rust   | [ https://github.com/paritytech/shasper/tree/master/util/ssz ](https://github.com/paritytech/shasper/tree/master/util/ssz)                                         | Shasper implementation of SSZ maintained by ParityTech.  |