diff --git a/requirements.txt b/requirements.txt
index fad92d230..bc769bb31 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ docutils==0.22.4
 pygments==2.20.0
 urllib3==2.7.0
 pytest==9.1.1
-isort==8.0.1
+isort==9.0.1
 black==26.5.1
 flake8==7.3.0
 mypy==2.3.0