diff --git a/pyproject.toml b/pyproject.toml
index f5b712b7..66d53599 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ Source = "https://github.com/loopj/aiovantage"
 
 [project.optional-dependencies]
 dev = [
-    "black==24.1.1",
+    "black==24.4.2",
     "mypy==1.8.0",
     "ruff==0.1.14",
     "pre-commit==3.6.0",