diff --git a/pyproject.toml b/pyproject.toml
index 13770e7..f9e57d1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [tool.black]
-py38 = true
+py311 = true
 include = '\.pyi?$'
 exclude = '''
 /(