diff --git a/pyproject.toml b/pyproject.toml
index c80d63d..539bd10 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ dynamic = ["version"]
 
 [project.optional-dependencies]
 lint = [
-  "black == 25.11.0",
+  "black == 26.5.1",
   "flake8 == 7.3.0",
   "isort == 6.1.0",
   "pydocstyle[toml] == 6.3.0",