diff --git a/CHANGES.md b/CHANGES.md
index c66dfd44..215a347b 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -9,6 +9,7 @@ There are likely to be descriptions etc outside of the list below, but new query
 
 | Endpoint                                                                                                            | [Lighthouse](https://github.com/sigp/lighthouse) | [Lodestar](https://github.com/ChainSafe/lodestar) | [Nimbus](https://github.com/status-im/nimbus-eth2) | [Prysm](https://github.com/prysmaticlabs/prysm) | [Teku](https://github.com/ConsenSys/teku) |
 |---------------------------------------------------------------------------------------------------------------------|--------------------------------------------------|---------------------------------------------------|----------------------------------------------------|-------------------------------------------------|-------------------------------------------|
+| [#447](https://github.com/ethereum/beacon-APIs/pull/447) `GET /eth/v2/validator/aggregate_attestation` added         |                                                  |                                                   |                                                    |                                                 |                                           |
 
 
 The Following are no longer in the Standard API, removed since the latest version.