diff --git a/pyproject.toml b/pyproject.toml
index ecc71d3..c492b53 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"
 
 [tool.black]
-target-version = ['py37', 'py38', 'py39', 'py310', 'py311']
+target-version = ['py37', 'py38', 'py39', 'py310']
 skip-string-normalization = true
 
 [tool.poetry]