diff --git a/pyproject.toml b/pyproject.toml
index 977ba23..07ee698 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dynamic = ["readme", "version"]
 
 [project.optional-dependencies]
 coverage = ["coverage==7.6.10"]
-formatting = ["black==24.10.0", "isort==5.13.2"]
+formatting = ["black==24.10.0", "isort==6.0.0"]
 linting = ["pylint==3.3.3"]
 spellcheck = ["codespell==2.4.1"]
 test_packaging = ["build==1.2.2.post1", "twine==6.1.0"]