diff --git a/pyproject.toml b/pyproject.toml
index 75d02471..56354f31 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,7 +56,7 @@ dev-flake8 = [
   "pydoclint == 0.6.0",
   "pydocstyle == 6.3.0",
 ]
-dev-formatting = ["black == 25.1.0", "isort == 5.13.2"]
+dev-formatting = ["black == 25.1.0", "isort == 6.0.0"]
 dev-mkdocs = [
   "mike == 1.1.2",
   "mkdocs-gen-files == 0.5.0",