diff --git a/pyproject.toml b/pyproject.toml
index 18f2e87..8df760c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ dev-flake8 = [
   "pydoclint == 0.8.3",
   "pydocstyle == 6.3.0",
 ]
-dev-formatting = ["black == 25.9.0", "isort == 6.0.1"]
+dev-formatting = ["black == 25.9.0", "isort == 8.0.1"]
 dev-mkdocs = [
   "Markdown == 3.9",
   "black == 25.9.0",