diff --git a/requirements.txt b/requirements.txt
index dec2afa..7d480bf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@
 fastapi==0.115.0
 uvicorn[standard]==0.32.0
 gunicorn==23.0.0  # Updated from 22.0.0 (PR #168 - Security)
-flask==3.0.0
+flask==3.1.3
 flask-sqlalchemy==3.1.1
 flask-migrate==4.0.5
 aiohttp==3.10.11