diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61df4d82..6142446f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/).
 
 ## [Unreleased]
 
+## [3.6.4]
+
 ### Added
 - new artists submodule `animate` as a convenient wrapper for matplotlib's `FuncAnimate`
 - `animate.animate2D`: allows versatile conversion of data to animation.
@@ -471,7 +473,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/).
 ### Added
 - initial release
 
-[Unreleased]: https://github.com/wright-group/WrightTools/-/compare/3.6.3...master
+[Unreleased]: https://github.com/wright-group/WrightTools/-/compare/3.6.4...master
+[3.6.3]: https://github.com/wright-group/WrightTools/compare/3.6.3...3.6.4
 [3.6.3]: https://github.com/wright-group/WrightTools/compare/3.6.2...3.6.3
 [3.6.2]: https://github.com/wright-group/WrightTools/compare/3.6.1...3.6.2
 [3.6.1]: https://github.com/wright-group/WrightTools/compare/3.6.0...3.6.1
diff --git a/WrightTools/VERSION b/WrightTools/VERSION
index 4a788a01..0f44168a 100644
--- a/WrightTools/VERSION
+++ b/WrightTools/VERSION
@@ -1 +1 @@
-3.6.3
+3.6.4