diff --git a/pyproject.toml b/pyproject.toml
index 5b6fd65..b2fd031 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ dependencies = [
 dev = [
     "pytest>=7.0",
     "pytest-asyncio>=0.21.0",
-    "black>=23.0",
+    "black>=26.3.1",
     "mypy>=1.0",
     "ruff>=0.1.0",
     "types-PyYAML>=6.0",