diff --git a/.github/workflows/pythonpublish.yml b/.github/workflows/pythonpublish.yml
index bab8408..822307c 100644
--- a/.github/workflows/pythonpublish.yml
+++ b/.github/workflows/pythonpublish.yml
@@ -23,6 +23,9 @@ jobs:
         pip3 install setuptools wheel twine
         pip3 install -r requirements.txt
     - name: Build and publish python wheels
+      env:
+        TWINE_USERNAME: __token__
+        TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
       run: |
         python3 setup.py sdist bdist_wheel
         python3 -m twine upload dist/*.whl
diff --git a/setup.py b/setup.py
index 6316d49..fa6f797 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 
 
 is_released = True
-version = '2021.5'
+version = '2021.6'
 
 
 def git_version():