diff --git a/requirements.txt b/requirements.txt
index faa7b5a..1780025 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@ intake_esm==2024.2.6
 mypy==1.13.0
 pytest==8.3.4
 pytest-cov==6.0.0
-ruff==0.8.3
+ruff==0.8.4