diff --git a/docs/changelog.md b/docs/changelog.md
index cfa1cad..c2c8d71 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -1,5 +1,9 @@
 # Changelog
 
+### 4.2.0
+- Add Ionos DNS authenticator plugin
+  - PR by [@mzbik][47].
+
 ### 4.1.0
 - Install Bash 5.2.15 from [Debian Bookworm][44].
   - Workaround for [this Bash bug][46] which we also had in the [Alpine image][45].
@@ -382,3 +386,4 @@
 [44]: https://packages.debian.org/search?keywords=bash
 [45]: https://github.com/JonasAlfredsson/docker-nginx-certbot/commit/3855a173f6ce1bc49318cdc7c3a40e4443e92f3d
 [46]: https://github.com/JonasAlfredsson/bash_fail-to-wait
+[47]: https://github.com/JonasAlfredsson/docker-nginx-certbot/pull/168
diff --git a/docs/dockerhub_tags.md b/docs/dockerhub_tags.md
index 0b17be9..b5f502b 100644
--- a/docs/dockerhub_tags.md
+++ b/docs/dockerhub_tags.md
@@ -17,7 +17,8 @@ are updated.
 
 | Major | Minor | Patch | Nginx              |
 | ----: | ----: | ----: | :----------------- |
-| 4     | 4.1   | 4.1.0 | 4.1.0-nginx1.23.3  |
+| 4     | 4.2   | 4.2.0 | 4.2.0-nginx1.23.3  |
+|       | 4.1   | 4.1.0 | 4.1.0-nginx1.23.3  |
 |       | 4.0   | 4.0.0 | 4.0.0-nginx1.23.3  |
 | 3     | 3.3   | 3.3.1 | 3.3.1-nginx1.23.3  |
 |       |       | 3.3.0 | 3.3.0-nginx1.23.3  |