diff --git a/requirements.txt b/requirements.txt
index df86a9fc..ffd103f6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ scikit-learn>=0.24.1
 scipy>=1.4.1
 pandas>=1.3.5
 joblib>=0.13.2
-flask==1.1.4
+flask==3.1.3
 flask-restful>=0.3.9
 SQLAlchemy==1.4.26
 markupsafe==2.0.1