diff --git a/pyproject.toml b/pyproject.toml
index bce61cb8..e221cb73 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [tool.black]
-target-versions = ["py37", "py38", "py39", "py310"]
+target-version = ["py37", "py38", "py39", "py310"]
 include = '''
     (
         \.py$