diff --git a/pyproject.toml b/pyproject.toml
index 64e69032f3..65a2366230 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -216,6 +216,10 @@ dev = [
     "ruff>=0.15.5",
 ]
 
+[tool.black]
+line-length = 120
+skip-string-normalization = true
+
 [tool.ruff]
 line-length = 120