diff --git a/pyproject.toml b/pyproject.toml
index d0b61ab..c13a6f9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,9 +36,6 @@ Repository = "https://github.com/asottile/blacken-docs"
 [project.scripts]
 blacken-docs = "blacken_docs:main"
 
-[tool.black]
-target-version = ['py38']
-
 [tool.isort]
 add_imports = [
     "from __future__ import annotations"