diff --git a/changelog/changes/2024-04-22-systemd-sysext.md b/changelog/changes/2024-04-22-systemd-sysext.md
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+- Backported systemd-sysext mutable overlays functionality from yet-unreleased systemd v256. ([flatcar/scripts#1753](https://github.com/flatcar/scripts/pull/1753))
diff --git a/changelog/updates/2024-04-22-systemd-sysext.md b/changelog/updates/2024-04-22-systemd-sysext.md
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+- systemd ([255.4](https://github.com/systemd/systemd-stable/commits/v255.4/))