diff --git a/pyproject.toml b/pyproject.toml
index 52ab4e62e..99655c7f4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "pytest>=8.4.2,<10",
-    "black>=24.0.0",
+    "black>=26.3.1",
     "ruff>=0.8.0",
     "mypy>=1.13.0",
     "types-requests>=2.31.0",