diff --git a/pyproject.toml b/pyproject.toml
index 7e2e1e5..3541635 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ version = { attr = "arangoasync.version.__version__" }
 [project.optional-dependencies]
 dev = [
     "aiofiles>=24.1.0",
-    "black==26.1.0",
+    "black==26.3.1",
     "flake8==7.3.0",
     "isort>=5.10.1",
     "mypy==1.15.0",