diff --git a/nixos/doc/manual/release-notes/rl-2605.section.md b/nixos/doc/manual/release-notes/rl-2605.section.md
index 432f2037c4bf..1530959a82f8 100644
--- a/nixos/doc/manual/release-notes/rl-2605.section.md
+++ b/nixos/doc/manual/release-notes/rl-2605.section.md
@@ -71,6 +71,8 @@ of pulling the upstream container image from Docker Hub. If you want the old beh
 
   No functionality should have been impacted by these changes (including controlling via `wpa_cli`, integration with NetworkManager or connman), but if you find any problems, please open an issue on GitHub.
 
+- `pdns` has been updated to version [v5.0.x](https://doc.powerdns.com/authoritative/changelog/5.0.html), which introduces breaking changes. Check out the [Upgrade Notes](https://doc.powerdns.com/authoritative/upgrading.html#to-5-0-0) for details.
+
 - `services.angrr` now uses TOML for configuration. Define policies with `services.angrr.settings` (generate TOML file) or point to a file using `services.angrr.configFile`. The legacy options `services.angrr.period`, `services.angrr.ownedOnly`, and `services.angrr.removeRoot` have been removed. See `man 5 angrr` and the description of `services.angrr.settings` options for examples and details.
 
 - `services.pingvin-share` has been removed as the `pingvin-share.backend` package was broken and the project was archived upstream.