diff --git a/.github/workflows/lint_python.yml b/.github/workflows/lint_python.yml
index 6c9533d..3652765 100644
--- a/.github/workflows/lint_python.yml
+++ b/.github/workflows/lint_python.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11']
+        python-version: ['3.10', '3.11']
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
@@ -17,8 +17,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install pycodestyle pyflakes
+          pip install pycodestyle
       - name: Analysing the code with pycodestyle
         run: |
-          pycodestyle --first --ignore='E501,E401' $(git ls-files '*.py')
-          pyflakes $(git ls-files '*.py')
+          pycodestyle --first --ignore=E501 $(git ls-files '*.py')