diff --git a/pyproject.toml b/pyproject.toml
index 56a315f..505fb35 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ optional = true
 [tool.poetry.group.dev.dependencies]
 pytest = "^8.3.5"
 ruff = "^0.1.3"
-black = "==23.12.1"
+black = "==26.3.1"
 pre-commit = "^4.2.0"
 pyright = "^1.1.333"
 mkdocs-material = "^9.5.50"