diff --git a/src/opencdeserver/requirements.txt b/src/opencdeserver/requirements.txt
index da6ed384fe..326d772462 100644
--- a/src/opencdeserver/requirements.txt
+++ b/src/opencdeserver/requirements.txt
@@ -1,6 +1,6 @@
 Authlib==0.15.4
 email-validator==1.1.3
-Flask==2.0.1
+Flask==2.3.2
 Flask-Login==0.5.0
 Flask-SQLAlchemy==2.5.1
 Flask-WTF==0.15.1