diff --git a/webserver/docker_keycloak/templates/docker-compose.yml b/webserver/docker_keycloak/templates/docker-compose.yml
index f32d670204c409ce61251af41d14bbea46d1e79e..ecb130e8248bf317c37364b63cc3949f653c769a 100644
--- a/webserver/docker_keycloak/templates/docker-compose.yml
+++ b/webserver/docker_keycloak/templates/docker-compose.yml
@@ -33,7 +33,7 @@ services:
 
   db:
 
-    image: postgres:13.6
+    image: postgres:13.20
     restart: always
     volumes:
       - /srv/keycloak/db:/var/lib/postgresql/data