diff --git a/pyproject.toml b/pyproject.toml
index d2b7331..b88fcc8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,9 +35,9 @@ python = ">=3.6.1,<4.0"
 seaborn = "*"
 
 [tool.poetry.dev-dependencies]
-black = ">=20.8b1"
+black = ">=23.1.0"
 flake8 = ">=3.7.7"
-isort = ">=5.7"
+isort = ">=5.12.0"
 pre-commit = ">=2.7.1"
 pytest = ">=4.4"
 pytest-cov = "*"