diff --git a/CHANGELOG.md b/CHANGELOG.md
index 884d023a78ee..8e78f4e509b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -39,6 +39,7 @@
 - `[jest-phabricator]` [**BREAKING**] Migrate to ESM ([#12341](https://github.com/facebook/jest/pull/12341))
 - `[jest-resolve]` [**BREAKING**] Make `requireResolveFunction` argument mandatory ([#12353](https://github.com/facebook/jest/pull/12353))
 - `[jest-runner]` [**BREAKING**] Remove some type exports from `@jest/test-result` ([#12353](https://github.com/facebook/jest/pull/12353))
+- `[jest-serializer]` [**BREAKING**] Deprecate package in favour of using `v8` APIs directly ([#12391](https://github.com/facebook/jest/pull/12391))
 - `[jest-snapshot]` [**BREAKING**] Migrate to ESM ([#12342](https://github.com/facebook/jest/pull/12342))
 - `[jest-transform]` Update `write-file-atomic` to v4 ([#12357](https://github.com/facebook/jest/pull/12357))
 - `[jest]` Use `index.ts` instead of `jest.ts` as main export ([#12329](https://github.com/facebook/jest/pull/12329))