diff --git a/.flake8 b/.flake8
new file mode 100644
index 0000000..d9ad0b4
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,5 @@
+[flake8]
+ignore = E203, E266, E501, W503, F403, F401
+max-line-length = 79
+max-complexity = 18
+select = B,C,E,F,W,T4,B9
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 6316716..c25c948 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,12 +1,20 @@
 fail_fast: true
 repos:
-  - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.2.0
-    hooks:
-      - id: trailing-whitespace
-        language: python
-  - repo: https://github.com/asottile/blacken-docs
-    rev: v1.8.0
-    hooks:
-      - id: blacken-docs
-        additional_dependencies: [black==19.3b0]
+    - repo: https://github.com/pre-commit/pre-commit-hooks
+      rev: v3.2.0
+      hooks:
+          - id: trailing-whitespace
+            language: python
+    - repo: https://github.com/ambv/black
+      rev: stable
+      hooks:
+          - id: black
+            language_version: python3.8
+    - repo: https://gitlab.com/pycqa/flake8
+      rev: 3.7.9
+      hooks:
+          - id: flake8
+    - repo: https://github.com/asottile/blacken-docs
+      rev: v1.8.0
+      hooks:
+          - id: blacken-docs
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..dfab025
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,16 @@
+[tool.black]
+line-length = 79
+include = '\.pyi?$'
+exclude = '''
+/(
+    \.git
+  | \.hg
+  | \.mypy_cache
+  | \.tox
+  | \.venv
+  | _build
+  | buck-out
+  | build
+  | dist
+)/
+'''