diff --git a/.github/workflows/build_wheels.yml b/.github/workflows/build_wheels.yml
index 4cbbaa9..803acf7 100644
--- a/.github/workflows/build_wheels.yml
+++ b/.github/workflows/build_wheels.yml
@@ -30,7 +30,7 @@ jobs:
           pip install setuptools
 
       - name: build
-        run: python setup.py bdist_wheel
+        run: python -m build
 
       - name: upload wheels
         uses: actions/upload-artifact@v3
@@ -65,7 +65,7 @@ jobs:
           pip install setuptools
 
       - name: build
-        run: python setup.py bdist_wheel
+        run: python -m build
 
       - name: upload wheels
         uses: actions/upload-artifact@v3
diff --git a/setup.cfg b/setup.cfg
index ae8b201..4c2f66e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = pywincalc
-version = 3.6.5
+version = 3.6.6
 description = A Python library for calculating thermal and optical properties of glazing systems
 long_description = file: README.md
 long_description_content_type = text/markdown; charset=UTF-8