diff --git a/.github/workflows/backend-linting.yaml b/.github/workflows/backend-linting.yaml
index a2b0058f..e01b02d4 100644
--- a/.github/workflows/backend-linting.yaml
+++ b/.github/workflows/backend-linting.yaml
@@ -21,5 +21,6 @@ jobs:
           python -m pip install --upgrade pip
           pip install poetry
           poetry install --directory=./backend
+          poetry add --dev flake8
       - name: Execute linting checks
-        run: flake8 --config ./backend/.flake8 ./backend
+        run: poetry run flake8 --config ./backend/.flake8 ./backend