diff --git a/pyproject.toml b/pyproject.toml
index c13e97d..ff9a321 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ speedups = [
   "orjson>=3.8.9",
 ]
 test = [
-  "black==24.4.2",
+  "black==26.3.1",
   "codespell==2.3.0",
   "isort==5.13.2",
   "mypy==1.11.2",