diff --git a/requirements.txt b/requirements.txt
index 626dea2..1244b33 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 slack-bolt==1.21.2
 requests==2.32.3
-Flask==3.0.3
+Flask==3.1.0
 pytest==8.3.4
 ruff==0.8.1