diff --git a/.circleci/config.yml b/.circleci/config.yml
index f0b6f452..34d19312 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -34,7 +34,7 @@ workflows:
             - build
           matrix:
             parameters:
-              node-version: ["14", "16", "18"]
+              node-version: ["16", "18", "20"]
       - test-chrome:
           requires:
             - build
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7d2198e..0a34aa56 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,12 +8,15 @@ and this project adheres to
 
 ### Changed
 
+- Drop support for Node.js 14 and add support for Node.js 20. ([#1421])
 - @cosmjs/tendermint-rpc: Remove `Adaptor` abstractions which are not needed
   anymore by haing a dedicated client for each backend.
 - @cosmjs/tendermint-rpc: Add
   `CometClient = Tendermint34Client | Tendermint37Client | Comet38Client` and
   `connectComet` for auto-detecting the right client for a provided endpoint.
 
+[#1421]: https://github.com/cosmos/cosmjs/issues/1421
+
 ### Deprecated
 
 - @cosmjs/tendermint-rpc: `CometClient` should be used instead of