diff --git a/pyproject.toml b/pyproject.toml
index 6dddc40206cf7de0a10ed77096e71ea6b9c91b40..09ca3f1740985f7a06ea9d1ef849fb515377afde 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ flake8-docstrings = "^1.5.0"
 flake8-rst-docstrings = "^0.3.0"
 black = ">=21.0"
 flake8-black = "^0.3.0"
-isort = "^5.0.0"
+isort = "^6.0.0"
 flake8-isort = "^6.0.0"
 
 [tool.poetry.scripts]