diff --git a/pyproject.toml b/pyproject.toml
index 594d6a6e..93cc72e5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "sphinxcontrib-bibtex"
-version = "2.6.3a1"
+version = "2.6.3a2"
 license = { text = "BSD-2-Clause" }
 description = "Sphinx extension for BibTeX style citations."
 readme = "README.rst"