diff --git a/pyproject.toml b/pyproject.toml
index 9a02f96..a6f1d5b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ typing-extensions = ">=3.0.0"
 mypy = "*"
 pytest = "*"
 types-dataclasses = "^0.6.5"
-isort = "^5.10.1"
+isort = "^6.0.0"
 flake8 = "^7.0.0"
 black = "^24.0.0"
 astor = "^0.8.1"