diff --git a/pyproject.toml b/pyproject.toml
index e25a24af04bb57b04ee0a49d5f2879e3c9f798de..66f6d0aca6ca5e47bee9f5621f46b9618d87a928 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ flake8-rst-docstrings = "^0.3.0"
 black = "^23.7.0"
 flake8-black = "^0.3.6"
 isort = "^5.12.0"
-flake8-isort = "^4.0.0"
+flake8-isort = "^6.0.0"
 pytest-cov = "^4.1.0"
 pytest-sugar = "^0.9.2"