diff --git a/pyproject.toml b/pyproject.toml
index c682350..6d3c406 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ flake8 = "7.3.0"
 flake8-pytest-style = "2.2.0"
 ruff = "0.15.13"
 coverage = "7.14.0"
-black = "26.3.1"
+black = "26.5.0"
 mypy = "2.1.0"
 bandit = "1.9.4"
 xenon = "0.9.3"