diff --git a/.github/workflows/flake8.yaml b/.github/workflows/flake8.yaml
index aa09a19c..fb2ec8c2 100644
--- a/.github/workflows/flake8.yaml
+++ b/.github/workflows/flake8.yaml
@@ -8,10 +8,10 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.9]
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}