diff --git a/.github/workflows/fast-checks.yml b/.github/workflows/fast-checks.yml
index 9717eb04..773d6079 100644
--- a/.github/workflows/fast-checks.yml
+++ b/.github/workflows/fast-checks.yml
@@ -15,9 +15,9 @@ jobs:
     steps:
     - name: Clone
       uses: actions/checkout@v4
-    - run: pip install flake8
+    - run: pip install flake8 flake8-pyproject
     - name: Flake8 lint Python code
-      run: find src/ -type f -name '*.py' -exec flake8 --max-line-length=120 '{}' '+'
+      run: flake8 src/
 
   yapf:
     name: Formatting
diff --git a/pyproject.toml b/pyproject.toml
index 36102b28..700e0c15 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,6 +44,7 @@ checkers = [
     "yapf",
     "toml",
     "flake8",
+    "flake8-pyproject",
     "mypy",
     "bandit",
     "pyqt5-stubs",
@@ -109,3 +110,6 @@ exclude_lines = [
     "@abstractmethod",
     "pragma: no cover"
 ]
+
+[tool.flake8]
+max-line-length = 120
\ No newline at end of file