diff --git a/pyproject.toml b/pyproject.toml
index 56940c3..f76222b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ examples = ["matplotlib"]
 spark = ["pyspark>=3.0.0"]
 test = [
     "bandit[toml]==1.7.7",
-    "black==24.2.0",
+    "black==24.4.0",
     "check-manifest==0.49",
     "flake8-bugbear==24.2.6",
     "flake8-docstrings",