diff --git a/setups/clarin/docker/backend-v6/requirements.txt b/setups/clarin/docker/backend-v6/requirements.txt
index a11daeb..61c3a61 100644
--- a/setups/clarin/docker/backend-v6/requirements.txt
+++ b/setups/clarin/docker/backend-v6/requirements.txt
@@ -1,5 +1,5 @@
 click==8.1.3
-Flask==2.2.3
+Flask==2.3.2
 Flask-Cors==3.0.10
 Flask-MySQLdb==1.0.1
 gevent==22.10.2