diff --git a/pyproject.toml b/pyproject.toml
index ef15c9bd0dc3fb141b7495d3d678fe014434aaef..ba9597cc48f434d958e877189dbf208c78a0a424 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pycgtool"
-version = "2.0.0-beta.2"
+version = "2.0.0-beta.3"
 description = "Generate coarse-grained molecular dynamics models from atomistic trajectories."
 authors = ["James Graham <j.graham@soton.ac.uk>"]
 license = "GPL-3.0-only"