diff --git a/.github/workflows/ci-bcf-pypi.yml b/.github/workflows/ci-bcf-pypi.yml
index ae0a3a8900..03bff9ab75 100644
--- a/.github/workflows/ci-bcf-pypi.yml
+++ b/.github/workflows/ci-bcf-pypi.yml
@@ -48,10 +48,10 @@ jobs:
         run: |
           pip install build
           cd src/bcf &&
-          python -m build
+          make dist
       - name: Publish a Python distribution to PyPI
         uses: ortega2247/pypi-upload-action@master
         with:
           user: __token__
           password: ${{ secrets.PYPI_API_TOKEN }}
-          packages_dir: src/bcf/dist
+          packages_dir: src/bcf/dist
\ No newline at end of file
diff --git a/src/bcf/Makefile b/src/bcf/Makefile
index 3a3913b971..e310fd08c1 100644
--- a/src/bcf/Makefile
+++ b/src/bcf/Makefile
@@ -1,3 +1,9 @@
+VERSION:=`date '+%y%m%d'`
+SED:=sed -i
+ifeq ($(UNAME_S),Darwin)
+SED:=sed -i '' -e
+endif
+
 .PHONY: ci
 ci:
 	tox
@@ -12,6 +18,13 @@ models:
 	cd src && xsdata generate -p bcf.v2.model --unnest-classes --kw-only --slots -ds Google bcf/v2/xsd
 	cd src && xsdata generate -p bcf.v3.model --unnest-classes --kw-only --slots -ds Google bcf/v3/xsd
 
+.PHONY: dist
+dist:
+	rm -rf dist
+	$(SED) "s/999999/$(VERSION)/" pyproject.toml
+	python -m build
+	$(SED) "s/$(VERSION)/999999/" pyproject.toml
+
 # .PHONY
 # api:
-#     openapi-python-client generate --url https://api.swaggerhub.com/apis/buildingSMART/BCF/3.0
+#     openapi-python-client generate --url https://api.swaggerhub.com/apis/buildingSMART/BCF/3.0
\ No newline at end of file
diff --git a/src/bcf/pyproject.toml b/src/bcf/pyproject.toml
index 7dc6d22176..4d7f1b401b 100644
--- a/src/bcf/pyproject.toml
+++ b/src/bcf/pyproject.toml
@@ -17,7 +17,7 @@ dependencies = [
     "numpy",
     "ifcopenshell",
 ]
-version = "0.0.1"
+version = "0.0.999999"
 classifiers = [
     "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
     "Operating System :: OS Independent",
@@ -76,7 +76,7 @@ deps =
     black
     isort
     pylint
-commands = 
+commands =
     black {posargs:.}
     isort {posargs:.}
     pylint {posargs:.} --output-format=colorized
@@ -138,4 +138,4 @@ max-attributes = 10
 
 [tool.pylint.format]
 expected-line-ending-format = "LF"
-max-line-length = 120
+max-line-length = 120
\ No newline at end of file