diff --git a/pyproject.toml b/pyproject.toml
index aa79523..618c3e1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,6 +28,29 @@ package = true
 [tool.ruff]
 line-length = 120
 
+[tool.ruff.lint]
+select = [
+  # ruff defaults:
+  "E4", "E7", "E9", "F",
+  "I", # flake8-import-order
+  "TID", # flake8-tidy-imports
+  "D", # google-style docstrings
+]
+ignore = [
+  "D202", # would require one blank line after the last section of a multi-line docstring
+  "D203", # would require one blank line at start of class docstring
+  "D213", # would require multi-line docstring to start with a hard return
+  "D401", # would require imperative mood in docstring
+  "D413", # would put blank line at end of each multiline docstring
+]
+
+[tool.ruff.lint.flake8-tidy-imports]
+ban-relative-imports = "all"
+
+[tool.ruff.lint.per-file-ignores]
+"__init__.py" = ["D104"] # would require module-level documentation
+"test_*.py" = ["D"]
+
 [tool.pyright]
 include = ["packio", "tests"]