diff --git a/requirements.txt b/requirements.txt
index a90ff48..6c84dbe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 alembic==1.7.7
 click==8.1.3
 csh_ldap>=2.0.2
-Flask==2.1.2
+Flask==2.3.2
 Flask-Mail==0.9.1
 Flask-Migrate==3.1.0
 Flask-pyoidc==3.10.0