diff --git a/requirements-dev.txt b/requirements-dev.txt
index 8018da419..b3d6bdfc8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,7 +6,7 @@
 -r requirements-freqai-rl.txt
 -r docs/requirements-docs.txt
 
-ruff==0.15.8
+ruff==0.15.9
 mypy==1.20.0
 pre-commit==4.5.1
 pytest==9.0.2