diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml
index c4a8fb8..044a0b5 100644
--- a/.github/workflows/linter.yml
+++ b/.github/workflows/linter.yml
@@ -21,9 +21,10 @@ jobs:
       - name: Install requirements
         run: |
           set -xe
-          python -m pip install ruff
+          python -m pip install poetry
+          python -m poetry install
 
       - name: Lint with ruff
         run: |
           set -xe
-          python -m ruff --per-file-ignores="__init__.py:F401" --per-file-ignores="__init__.py:E402" .
+          python -m poetry run ruff format --check