diff --git a/pyproject.toml b/pyproject.toml
index a823de15..1e33b7ba 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,6 +52,9 @@ log_cli_level = "INFO"
 log_cli_format = "%(asctime)s [%(levelname)s] %(message)s (%(filename)s:%(lineno)s)"
 log_cli_date_format = "%Y-%m-%d %H:%M:%S"
 
+[tool.flake8]
+exclude = "tests/*"
+
 [tool.black]
 exclude = '.vscode|.eggs|venv'
 line-length = 88  # suggested by black official site