diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ba9200e..3e701c5e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,28 @@
 
 <!-- <START NEW CHANGELOG ENTRY> -->
 
+## 5.8.1
+
+([Full Changelog](https://github.com/ipython/traitlets/compare/v5.8.0...18814204c7e7987851cc1836a36863b4fab60165))
+
+### Bugs fixed
+
+- fix: mro_trait can be unbound when the class is not in mro [#824](https://github.com/ipython/traitlets/pull/824) ([@maartenbreddels](https://github.com/maartenbreddels))
+
+### Maintenance and upkeep improvements
+
+### Documentation improvements
+
+- Add more api docs [#821](https://github.com/ipython/traitlets/pull/821) ([@blink1073](https://github.com/blink1073))
+
+### Contributors to this release
+
+([GitHub contributors page for this release](https://github.com/ipython/traitlets/graphs/contributors?from=2022-12-19&to=2023-01-09&type=c))
+
+[@blink1073](https://github.com/search?q=repo%3Aipython%2Ftraitlets+involves%3Ablink1073+updated%3A2022-12-19..2023-01-09&type=Issues) | [@maartenbreddels](https://github.com/search?q=repo%3Aipython%2Ftraitlets+involves%3Amaartenbreddels+updated%3A2022-12-19..2023-01-09&type=Issues) | [@pre-commit-ci](https://github.com/search?q=repo%3Aipython%2Ftraitlets+involves%3Apre-commit-ci+updated%3A2022-12-19..2023-01-09&type=Issues) | [@rmorshea](https://github.com/search?q=repo%3Aipython%2Ftraitlets+involves%3Armorshea+updated%3A2022-12-19..2023-01-09&type=Issues)
+
+<!-- <END NEW CHANGELOG ENTRY> -->
+
 ## 5.8.0
 
 ([Full Changelog](https://github.com/ipython/traitlets/compare/v5.7.1...47e652f96aff54d1aa3b19337c9c8d80fe0fd4c4))
@@ -27,8 +49,6 @@
 
 [@azjps](https://github.com/search?q=repo%3Aipython%2Ftraitlets+involves%3Aazjps+updated%3A2022-12-12..2022-12-19&type=Issues) | [@blink1073](https://github.com/search?q=repo%3Aipython%2Ftraitlets+involves%3Ablink1073+updated%3A2022-12-12..2022-12-19&type=Issues) | [@minrk](https://github.com/search?q=repo%3Aipython%2Ftraitlets+involves%3Aminrk+updated%3A2022-12-12..2022-12-19&type=Issues)
 
-<!-- <END NEW CHANGELOG ENTRY> -->
-
 ## 5.7.1
 
 ([Full Changelog](https://github.com/ipython/traitlets/compare/v5.7.0...aa0d38bf02d34a6df788477da30eac6e58ffbda5))
diff --git a/traitlets/_version.py b/traitlets/_version.py
index faef3978..873003d2 100644
--- a/traitlets/_version.py
+++ b/traitlets/_version.py
@@ -5,7 +5,7 @@
 from typing import List
 
 # Version string must appear intact for hatch versioning
-__version__ = "5.8.0"
+__version__ = "5.8.1"
 
 # Build up version_info tuple for backwards compatibility
 pattern = r"(?P<major>\d+).(?P<minor>\d+).(?P<patch>\d+)(?P<rest>.*)"