diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index d29fd7740..cfda3d10d 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04]
-        python-version: 3.7
+        python-version: [3.7, 3.8, 3.9]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}