diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2274c9f..5c16c11 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,88 @@
 # CHANGELOG
 
 
+## v0.25.21 (2024-12-14)
+
+### Bug Fixes
+
+- **deps**: Update dependency diff-cover to v9.2.1
+  ([#794](https://github.com/MartinBernstorff/Memium/pull/794),
+  [`625992b`](https://github.com/MartinBernstorff/Memium/commit/625992b669b462c84fe06da81e56bce45e78965e))
+
+This PR contains the following updates:
+
+| Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| |
+  [diff-cover](https://redirect.github.com/Bachmann1234/diff-cover) | `==9.2.0` -> `==9.2.1` |
+  [![age](https://developer.mend.io/api/mc/badges/age/pypi/diff-cover/9.2.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
+  |
+  [![adoption](https://developer.mend.io/api/mc/badges/adoption/pypi/diff-cover/9.2.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
+  |
+  [![passing](https://developer.mend.io/api/mc/badges/compatibility/pypi/diff-cover/9.2.0/9.2.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
+  |
+  [![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/diff-cover/9.2.0/9.2.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
+  |
+
+---
+
+### Release Notes
+
+<details> <summary>Bachmann1234/diff-cover (diff-cover)</summary>
+
+### [`v9.2.1`](https://redirect.github.com/Bachmann1234/diff_cover/releases/tag/v9.2.1): Version
+  9.2.1
+
+[Compare Source](https://redirect.github.com/Bachmann1234/diff-cover/compare/v9.2.0...v9.2.1)
+
+#### What's Changed
+
+- Fix inline comments by [@&#8203;Bachmann1234](https://redirect.github.com/Bachmann1234) in
+  [https://github.com/Bachmann1234/diff_cover/pull/423](https://redirect.github.com/Bachmann1234/diff_cover/pull/423)
+
+- Add support for py313 by [@&#8203;ssbarnea](https://redirect.github.com/ssbarnea) in
+  [https://github.com/Bachmann1234/diff_cover/pull/427](https://redirect.github.com/Bachmann1234/diff_cover/pull/427)
+
+- Drop 3.8 by [@&#8203;Bachmann1234](https://redirect.github.com/Bachmann1234) in
+  [https://github.com/Bachmann1234/diff_cover/pull/428](https://redirect.github.com/Bachmann1234/diff_cover/pull/428)
+
+- Bump tomli from 2.0.1 to 2.0.2 by [@&#8203;dependabot](https://redirect.github.com/dependabot) in
+  [https://github.com/Bachmann1234/diff_cover/pull/422](https://redirect.github.com/Bachmann1234/diff_cover/pull/422)
+
+- Bump doc8 from 1.1.1 to 1.1.2 by [@&#8203;dependabot](https://redirect.github.com/dependabot) in
+  [https://github.com/Bachmann1234/diff_cover/pull/421](https://redirect.github.com/Bachmann1234/diff_cover/pull/421)
+
+- Bump tomli from 2.0.2 to 2.2.1 by [@&#8203;dependabot](https://redirect.github.com/dependabot) in
+  [https://github.com/Bachmann1234/diff_cover/pull/425](https://redirect.github.com/Bachmann1234/diff_cover/pull/425)
+
+#### New Contributors
+
+- [@&#8203;ssbarnea](https://redirect.github.com/ssbarnea) made their first contribution in
+  [https://github.com/Bachmann1234/diff_cover/pull/427](https://redirect.github.com/Bachmann1234/diff_cover/pull/427)
+
+**Full Changelog**: https://github.com/Bachmann1234/diff_cover/compare/v9.2.0...v9.2.1
+
+</details>
+
+### Configuration
+
+📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no
+  schedule defined).
+
+🚦 **Automerge**: Enabled.
+
+♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.
+
+🔕 **Ignore**: Close this PR and you won't be reminded about this update again.
+
+- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box
+
+This PR was generated by [Mend Renovate](https://mend.io/renovate/). View the [repository job
+  log](https://developer.mend.io/github/MartinBernstorff/Memium).
+
+<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS41OC4xIiwidXBkYXRlZEluVmVyIjoiMzkuNTguMSIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOltdfQ==-->
+
+Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
+
+
 ## v0.25.20 (2024-12-11)
 
 ### Bug Fixes
diff --git a/pyproject.toml b/pyproject.toml
index ec91b06..2709398 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "memium"
-version = "0.25.20"
+version = "0.25.21"
 authors = [{ name = "Martin Bernstorff", email = "martinbernstorff@gmail.com" }]
 description = "Memium"
 classifiers = ["Programming Language :: Python :: 3.11"]