diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000..0df16f24
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,24 @@
+[tool.black]
+line-length = 120
+target-version = ['py37', 'py38', 'py39']
+include = '\.pyi?$'
+exclude = '''
+(
+  /(
+    # exclude a few common directories in the root of the project
+      \.eggs
+    | \.git
+    | \.hg
+    | \.mypy_cache
+    | \.tox
+    | \.venv
+    | \.pytype
+    | _build
+    | buck-out
+    | build
+    | dist
+  )/
+  # also separately exclude a file named versioneer.py
+  | monai/_version.py
+)
+'''
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 00000000..487b7c1c
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,6 @@
+[isort]
+known_first_party = monai
+profile = black
+line_length = 120
+skip = .git, .eggs, venv, .venv, versioneer.py, _version.py, conf.py, monai/__init__.py
+skip_glob = *.pyi