diff --git a/pyproject.toml b/pyproject.toml
index e370611..66995a4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -198,7 +198,7 @@ testpaths = ["tests"]
 extend-include = ["*.ipynb"]
 line-length = 100
 src = []
-target-version = "py312"
+target-version = "py311"
 
 [tool.ruff.lint]
 fixable = ["I001", "F401", "UP"]