diff --git a/requirements.txt b/requirements.txt
index ada9d350..7a93342f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ elementpath==4.0.1
 et-xmlfile==1.1.0
 fanstatic==1.1
 feedgen==0.9.0
-Flask==1.1.1
+Flask==2.2.5
 Flask-Babel==1.0.0
 flask-multistatic==1.0
 gevent==22.10.2