diff --git a/pyproject.toml b/pyproject.toml
index 98b2166..f1ad0c0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    "black==23.12.1",
+    "black==24.1.1",
     "coverage==7.4.0",
     "flake8==7.0.0",
     "flake8-bugbear==23.12.2",