diff --git a/{{cookiecutter.project_slug}}/pyproject.toml b/{{cookiecutter.project_slug}}/pyproject.toml
index e137d163f7f92d96c9822557592ab51742955623..05f2bca1c2bf5531a1fe8761192b023c2ec85474 100644
--- a/{{cookiecutter.project_slug}}/pyproject.toml
+++ b/{{cookiecutter.project_slug}}/pyproject.toml
@@ -46,3 +46,16 @@ archs = ["AMD64", "x86"]
 
 [tool.pylint]
 ignore = "_version.py"
+
+[tool.flake8]
+max-line-length = 88
+extend-ignore = ["E203"]
+exclude = ["_version.py"]
+
+[tool.black]
+line-length = 88
+extend-exclude = '''
+(
+    _version.py
+)
+'''
diff --git a/{{cookiecutter.project_slug}}/tests/requirements.txt b/{{cookiecutter.project_slug}}/tests/requirements.txt
index f14d0b907ce977320ba250046dfab52a3101800a..82f1ee820e4b57fd3e720ad74078688cd87c2ead 100644
--- a/{{cookiecutter.project_slug}}/tests/requirements.txt
+++ b/{{cookiecutter.project_slug}}/tests/requirements.txt
@@ -2,6 +2,7 @@ autopep8 >= 1.7.0 # MIT
 black >= 22.0.0 # MIT
 build >= 0.8.0 # MIT
 flake8 >= 5.0.0 # MIT
+pyproject-flake8 >= 5.0.4 # Unlicense
 pylint >= 2.15.0 # GPLv2
 pytest >= 7.0.0 # MIT
 pytest-cov >= 3.0.0 # MIT