diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9fb99ff770..ee075badff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## Unreleased
+## [0.55.0] - 2024-04-1
 
 ### Fixed
 
@@ -1821,6 +1821,7 @@ https://textual.textualize.io/blog/2022/11/08/version-040/#version-040
 - New handler system for messages that doesn't require inheritance
 - Improved traceback handling
 
+[0.55.0]: https://github.com/Textualize/textual/compare/v0.54.0...v0.55.0
 [0.54.0]: https://github.com/Textualize/textual/compare/v0.53.1...v0.54.0
 [0.53.1]: https://github.com/Textualize/textual/compare/v0.53.0...v0.53.1
 [0.53.0]: https://github.com/Textualize/textual/compare/v0.52.1...v0.53.0
diff --git a/pyproject.toml b/pyproject.toml
index 81f6ecfa7f..613103b530 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "textual"
-version = "0.54.0"
+version = "0.55.0"
 homepage = "https://github.com/Textualize/textual"
 repository = "https://github.com/Textualize/textual"
 documentation = "https://textual.textualize.io/"