diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e7a0db5..3cc45b3 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,44 +1,49 @@
 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
+
 - repo: https://github.com/python/black
   rev: 19.10b0
   hooks:
   - id: black
 
 # 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]
 
diff --git a/pyproject.toml b/pyproject.toml
index b5413f6..69b8f4d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,2 +1,11 @@
 [tool.black]
 target-version = ['py37']
+
+[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