diff --git a/.github/workflows/setup_python.yml b/.github/workflows/setup_python.yml
index 2936729..1110908 100644
--- a/.github/workflows/setup_python.yml
+++ b/.github/workflows/setup_python.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ '3.7','3.8','3.9', 'pypy-3.7', 'pypy-3.8' ] #'pypy-3.9' NOT SUPPORTED NOW
+        python-version: [ '3.6','3.7','3.8','3.9', 'pypy-3.7', 'pypy-3.8' ] #'pypy-3.9' NOT SUPPORTED NOW
     name: ${{ matrix.python-version }} and tests
     steps:
       - uses: actions/checkout@v2