diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index df0e474..eecfb11 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -54,7 +54,7 @@ jobs:
       - uses: actions/setup-python@v3
       - name: flake src code
         run: |
-          python -m pip install flake8
+          python -m pip install flake8 Flake8-pyproject
           python -m flake8 src
       - name: flake test code
         run: |