diff --git a/docs/changelog.md b/docs/changelog.md
index d7411eb6..ce9b6540 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -8,12 +8,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). See the [Contributing Guide](contributing.md) for details.
 
-## [unreleased]
+## [3.5.1] -- 2023-10-31
 
 ### Fixed
 
-* Fix a performance problem with HTML extraction where large HTML input could trigger quadratic line counting behavior (PR#1392).
-* Improve and expand type annotations in the code base (#1394)
+* Fix a performance problem with HTML extraction where large HTML input could
+  trigger quadratic line counting behavior (#1392).
+* Improve and expand type annotations in the code base (#1394).
 
 ## [3.5] -- 2023-10-06
 
diff --git a/markdown/__meta__.py b/markdown/__meta__.py
index dfea3e6f..21fceace 100644
--- a/markdown/__meta__.py
+++ b/markdown/__meta__.py
@@ -28,7 +28,7 @@
 from __future__ import annotations
 
 
-__version_info__ = (3, 5, 0, 'final', 0)
+__version_info__ = (3, 5, 1, 'final', 0)
 
 
 def _get_version(version_info):