diff --git a/src/sphinx_basic_ng/__init__.py b/src/sphinx_basic_ng/__init__.py
index c099f16..ed522d2 100644
--- a/src/sphinx_basic_ng/__init__.py
+++ b/src/sphinx_basic_ng/__init__.py
@@ -1,6 +1,6 @@
 """A modern skeleton for Sphinx themes."""
 
-__version__ = "0.0.1.dev0"
+__version__ = "0.0.1.a1"
 
 from pathlib import Path
 import sphinx