diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9e691031..80fa3a51 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+## [3.5.6] - 2021-05-24
 ### Build
 - Support building documentation on sphinx 4.0 ([`#2424`](https://github.com/polybar/polybar/issues/2424))
 ### Fixed
@@ -29,7 +30,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 - Empty color values are no longer treated as invalid and no longer produce an error.
 
-[Unreleased]: https://github.com/polybar/polybar/compare/3.5.5...HEAD
+[Unreleased]: https://github.com/polybar/polybar/compare/3.5.6...HEAD
+[3.5.5]: https://github.com/polybar/polybar/releases/tag/3.5.6
 [3.5.5]: https://github.com/polybar/polybar/releases/tag/3.5.5
 [3.5.4]: https://github.com/polybar/polybar/releases/tag/3.5.4
 [3.5.3]: https://github.com/polybar/polybar/releases/tag/3.5.3
diff --git a/version.txt b/version.txt
index 207bcec8..e870d52e 100644
--- a/version.txt
+++ b/version.txt
@@ -1,4 +1,4 @@
 # Polybar version information
 # Update this on every release
 # This is used to create the version string if a git repo is not available
-3.5.5
+3.5.6