diff --git a/pyproject.toml b/pyproject.toml
index 2e44c825..436255b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ langgraph = [
 ]
 test = [
     "black[jupyter]==25.9.0",
-    "isort==6.1.0",
+    "isort==7.0.0",
     "mypy==1.18.2",
     "pytest-asyncio==0.26.0",
     "pytest==8.4.2",