diff --git a/pyproject.toml b/pyproject.toml
index 7ddffed..1264790 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ test = [
     "black[jupyter]==24.10.0",
     "bs4==0.0.2",
     "flake8==6.1.0",
-    "isort==5.13.2",
+    "isort==9.0.0",
     "mypy==1.17.0",
     "pytest==8.4.1",
     "pytest-asyncio==0.26.0",