diff --git a/requirements.txt b/requirements.txt
index 330d14f..702a240 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@
 numpy==1.26.2
 pytest==7.4.4
 pytest-cov==4.1.0
-ruff==0.1.6
+ruff==0.1.9