diff --git a/pyproject.toml b/pyproject.toml
index fd66376e..da850f28 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ license = {file = "LICENSE"}
 name = "django-bootstrap4"
 readme = "README.md"
 requires-python = ">=3.8"
-version = "23.6"
+version = "23.3"
 
 [project.urls]
 Changelog = "https://github.com/zostera/django-bootstrap4/blob/main/CHANGELOG.md"
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9c8d1209..a0053818 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,5 @@
 -r requirements-test.txt
 -r docs/requirements.txt
 twine==4.0.2
+build==1.0.3
+setuptools==69.0.3
diff --git a/src/bootstrap4/__about__.py b/src/bootstrap4/__about__.py
index 68ff86d0..31d28491 100644
--- a/src/bootstrap4/__about__.py
+++ b/src/bootstrap4/__about__.py
@@ -1 +1,3 @@
-__version__ = "23.3.dev1"
+import importlib.metadata
+
+__version__ = importlib.metadata.version("django-bootstrap4")