diff --git a/CHANGELOG.md b/CHANGELOG.md
index b744faf..7848d6b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,17 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [2.0.0-beta.4](https://github.com/jag1g13/pycgtool/compare/v2.0.0-beta.3...v2.0.0-beta.4) (2021-10-09)
+
+
+### Bug Fixes
+
+* add data files to installable package ([a9fdae8](https://github.com/jag1g13/pycgtool/commit/a9fdae85d5f9d2bff9dcfd4fe0fbc8a683dbe773))
+* backup forcefield directories instead of overwrite ([19b4054](https://github.com/jag1g13/pycgtool/commit/19b40540b0254c47d7a70eef12c2200bb96a4b9d))
+* backup frame and forcefield output files ([626cc3a](https://github.com/jag1g13/pycgtool/commit/626cc3a839a21699ac4c28eab55f385c6a199327))
+* create output directory if it doesn't exist ([c4694e8](https://github.com/jag1g13/pycgtool/commit/c4694e811201c7538819757bc52ea21ecd9f196f))
+* use correct reference coordinate for virtual bead calc ([a0a61f2](https://github.com/jag1g13/pycgtool/commit/a0a61f2dd2ae38d63b6de5a516f324865e93fe04))
+
 ## [2.0.0-beta.3](https://github.com/jag1g13/pycgtool/compare/v2.0.0-beta.2...v2.0.0-beta.3) (2021-08-14)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index ba9597c..a95a9be 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pycgtool"
-version = "2.0.0-beta.3"
+version = "2.0.0-beta.4"
 description = "Generate coarse-grained molecular dynamics models from atomistic trajectories."
 authors = ["James Graham <j.graham@soton.ac.uk>"]
 license = "GPL-3.0-only"