diff --git a/pyproject.toml b/pyproject.toml
index 73ba1818..da70739a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -258,7 +258,6 @@ markers = ["requires_netcdf: marks tests that require netcdf files to run"]
 [tool.ruff]
 src = ["src/xscen"]
 line-length = 150
-target-version = "py310"
 exclude = [
   ".eggs",
   ".git",