diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3e3e6c42d1..64d43e80b4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to
 ### Changed
 
 - all: The TypeScript compilation target is now ES2020 ([#1002]).
+- all: Add full support for Node.js 18 and run all CI tests with it ([#1240]).
 - @cosmjs/tendermint-rpc: Remove unused `index` field from `RpcTxEvent` and
   `TxEvent`. This is unset starting with Tendermint 0.34.
 - @cosmjs/crypto: The pbkdf2 implementation for old Node.js versions
@@ -18,6 +19,7 @@ and this project adheres to
 
 [#1002]: https://github.com/cosmos/cosmjs/issues/1002
 [#1341]: https://github.com/cosmos/cosmjs/issues/1341
+[#1240]: https://github.com/cosmos/cosmjs/pull/1240
 
 ## [0.29.5] - 2022-12-07