diff --git a/ruff.toml b/ruff.toml
index 8b22940a..9379d6e1 100644
--- a/ruff.toml
+++ b/ruff.toml
@@ -1,5 +1,5 @@
-# include pyproject.toml for requires-python (workaround astral-sh/ruff#10299)
-include = "pyproject.toml"
+# extend pyproject.toml for requires-python (workaround astral-sh/ruff#10299)
+extend = "pyproject.toml"
 
 [lint]
 extend-select = [