diff --git a/pyproject.toml b/pyproject.toml
index 0da40b0c..a0cc1032 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,5 +11,5 @@ build-backend = "setuptools.build_meta"
 
 [tool.black]
 line-length = 79
-target-version = ["py39", "py310", "py311"]
+target-version = ["py39", "py310"]
 include = '\.pyi?$'