diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8b506eeec..ff54e3d19 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.9"
       - name: Install dependencies
         run: |
           python -m pip install -U pip
@@ -47,7 +47,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.9"
       - name: Docker ${{ matrix.script.name }}
         run: sh tests/test_docker.sh ${{ matrix.script.args }}
 
diff --git a/.github/workflows/django-issue-checker.yml b/.github/workflows/django-issue-checker.yml
index 9866578c7..8fc91cf28 100644
--- a/.github/workflows/django-issue-checker.yml
+++ b/.github/workflows/django-issue-checker.yml
@@ -17,7 +17,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2.2.2
       with:
-        python-version: 3.9
+        python-version: "3.9"
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/pre-commit-autoupdate.yml b/.github/workflows/pre-commit-autoupdate.yml
index 5c16f7484..dbc61de5f 100644
--- a/.github/workflows/pre-commit-autoupdate.yml
+++ b/.github/workflows/pre-commit-autoupdate.yml
@@ -16,7 +16,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
       with:
-        python-version: 3.9
+        python-version: "3.9"
 
     - name: Install pre-commit
       run: pip install pre-commit
diff --git a/.github/workflows/update-changelog.yml b/.github/workflows/update-changelog.yml
index 5fa53ceab..3cfcc26b9 100644
--- a/.github/workflows/update-changelog.yml
+++ b/.github/workflows/update-changelog.yml
@@ -20,7 +20,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: 3.9
+        python-version: "3.9"
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/.github/workflows/update-contributors.yml b/.github/workflows/update-contributors.yml
index 88f08d679..3835428cf 100644
--- a/.github/workflows/update-contributors.yml
+++ b/.github/workflows/update-contributors.yml
@@ -15,7 +15,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: 3.9
+        python-version: "3.9"
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip