diff --git a/doc/source/examples/keycloak/docker-compose.yaml b/doc/source/examples/keycloak/docker-compose.yaml
index 9e70fec5fa..57b8348a6a 100644
--- a/doc/source/examples/keycloak/docker-compose.yaml
+++ b/doc/source/examples/keycloak/docker-compose.yaml
@@ -7,11 +7,10 @@ version: '2.1'
 
 services:
   keycloak:
-    image: quay.io/keycloak/keycloak:18.0
+    image: quay.io/keycloak/keycloak:23.0
     environment:
       - KEYCLOAK_ADMIN=admin
       - KEYCLOAK_ADMIN_PASSWORD=kcadmin
-      - DB_VENDOR=h2
       - KC_HTTP_PORT=8082
     ports:
       - "8082:8082"