diff --git a/pyproject.toml b/pyproject.toml
index 4c5f386..d5023af 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,6 +32,9 @@ server = [
     "setuptools~=68.2",
 ]
 
+[tool.black]
+line-length = 88
+
 [tool.djlint]
 profile="django"
 extension = ".dj.html"