diff --git a/CHANGELOG.md b/CHANGELOG.md
index b84857c..305c17d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@
 * Replaced deprecated internal `punycode` with the [punycode](https://www.npmjs.com/package/punycode) package.
 * Updated [got](https://github.com/sindresorhus/got) from 12.1 to 13.
 * Updated [minimist](https://github.com/minimistjs/minimist) from 1.2.6 to 1.2.8.
+* Updated [long](https://github.com/dcodeIO/long.js) from 5.2.0 to 5.2.3.
 * Added eslint which spotted some unused variables and other lints.
 * CLI: Resolved incorrect error message when querying with a non-existent protocol name.
 * Added Deno support: the library and CLI can now be experimentally used with the [Deno runtime](https://deno.com)