diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index db51396..4ee82fb 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,50 +1,55 @@
 repos:
 - repo: https://github.com/pre-commit/pre-commit-hooks
   rev: v2.4.0
   hooks:
   - id: trailing-whitespace
   - id: check-json
   - id: check-yaml
 
 - repo: https://gitlab.com/pycqa/flake8
   rev: 3.8.3
   hooks:
   - id: flake8
 
 - repo: https://github.com/codespell-project/codespell
   rev: v1.16.0
   hooks:
   - id: codespell
 
 - repo: local
   hooks:
   - id: mypy
     name: mypy
     entry: mypy
     args: [swh]
     pass_filenames: false
     language: system
     types: [python]
 
+- repo: https://github.com/PyCQA/isort
+  rev: 5.5.2
+  hooks:
+  - id: isort
+
 # unfortunately, we are far from being able to enable this...
 # - repo: https://github.com/PyCQA/pydocstyle.git
 #   rev: 4.0.0
 #   hooks:
 #   - id: pydocstyle
 #     name: pydocstyle
 #     description: pydocstyle is a static analysis tool for checking compliance with Python docstring conventions.
 #     entry: pydocstyle --convention=google
 #     language: python
 #     types: [python]
 
 # black requires py3.6+
 #- repo: https://github.com/python/black
 #  rev: 19.3b0
 #  hooks:
 #  - id: black
 #    language_version: python3
 #- repo: https://github.com/asottile/blacken-docs
 #  rev: v1.0.0-1
 #  hooks:
 #  - id: blacken-docs
 #    additional_dependencies: [black==19.3b0]
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..e3a6fef
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,8 @@
+[tool.isort]
+multi_line_output = 3
+include_trailing_comma = true
+force_grid_wrap = 0
+use_parentheses = true
+ensure_newline_before_comments = true
+line_length = 88
+force_sort_within_sections = true