diff --git a/requirements.txt b/requirements.txt
index 1c642e3..616f613 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@ slack-bolt==1.19.0rc1
 requests==2.32.3
 Flask==3.0.3
 pytest==8.3.2
-ruff==0.5.5
+ruff==0.6.3