diff --git a/pyproject.toml b/pyproject.toml
index 322d546c..f53f60f9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@
 [project]
 # https://packaging.python.org/en/latest/specifications/declaring-project-metadata/
 name = "qc-selector"
-version = "0.0.2b2"
+version = "0.0.2b4"
 description = "Subset selection with maximum diversity."
 readme = "README.md"
 #requires-python = ">=3.9,<4.0"