diff --git a/pyproject.toml b/pyproject.toml
index 753cf45..cd1e985 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ classifiers = [
 authors = [
   { name = "Ryan Galloway", email = "ryan@rsgalloway.com" },
 ]
-optional-dependencies = { dev = ["pytest", "flake8==7.1.1", "mccabe==0.7.0", "isort==5.13.2", "black==24.8.0"], test = ["pytest"] }
+optional-dependencies = { dev = ["pytest", "flake8==7.1.1", "mccabe==0.7.0", "isort==5.13.2", "black==26.3.1"], test = ["pytest"] }
 
 [tool.isort]
 profile = "black"