diff --git a/.github/workflows/backend_lint.yml b/.github/workflows/backend_lint.yml
index 8c4ac3b..1bcc25a 100644
--- a/.github/workflows/backend_lint.yml
+++ b/.github/workflows/backend_lint.yml
@@ -11,16 +11,12 @@ on:
 jobs:
   backend_lint:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: [3.9]
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python ${{ matrix.python-version }}
+    - name: Set up Python
       uses: actions/setup-python@v2
-      with:
-        python-version: ${{ matrix.python-version }}
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip