diff --git a/.github/workflows/pr_ut_py37.yaml b/.github/workflows/pr_ut_py311.yaml
similarity index 76%
rename from .github/workflows/pr_ut_py37.yaml
rename to .github/workflows/pr_ut_py311.yaml
index 224de5971..997a80c4e 100644
--- a/.github/workflows/pr_ut_py37.yaml
+++ b/.github/workflows/pr_ut_py311.yaml
@@ -4,17 +4,17 @@ on:
     branches: [ master ]
 jobs:
   python:
-    name: python checks ${{ matrix.python }} ${{ matrix.os }}
+    name: python checks ${{ matrix.python-version }} ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.7]
+        python-version: ['3.11']
 
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -24,4 +24,4 @@ jobs:
     - name: PEP8
       run: tox -e pep8
     - name: unit test
-      run: tox -e py37
+      run: tox -e py311
diff --git a/tox.ini b/tox.ini
index bc4c3ed12..af12924b0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,7 +21,7 @@ commands = flake8
 
 [flake8]
 max-line-length = 120
-ignore = E121,E122,E123,E124,E125,E126,E127,E128,E129,E131,E251,H405,W504,W605
+ignore = E121,E122,E123,E124,E125,E126,E127,E128,E129,E131,E251,E721,H405,W504,W605
 exclude =  .venv,.git,.tox,dist,doc,*openstack/common*,sample,*lib/python*,*egg,build,tools,*.py.*.py
 
 [testenv:docs]