diff --git a/.env.sample b/.env.sample
index ac86068..c867406 100644
--- a/.env.sample
+++ b/.env.sample
@@ -7,6 +7,9 @@ DOMAIN=limesurvey.example.com
 
 LETS_ENCRYPT_ENV=production
 
+ADMIN_EMAIL=admin@example.com
+ADMIN_NAME=admin
+
 SECRET_DB_PASSWORD_VERSION=v1
 SECRET_DB_ROOT_PASSWORD_VERSION=v1
-SECRET_LIMESURVEY_ADMIN_PASSWORD_VERSION=v1
\ No newline at end of file
+SECRET_LIMESURVEY_ADMIN_PASSWORD_VERSION=v1
diff --git a/compose.yml b/compose.yml
index 0a2f167..d99117c 100644
--- a/compose.yml
+++ b/compose.yml
@@ -3,7 +3,7 @@ version: "3.8"
 
 services:
   app:
-    image: martialblog/limesurvey:5.2.9-220110-apache
+    image: martialblog/limesurvey:5.3.18-220530-apache
     depends_on:
       - db
     networks:
@@ -12,9 +12,11 @@ services:
     environment:
       - "DB_HOST=${STACK_NAME}_db"
       - "DB_PASSWORD_FILE=/run/secrets/db_password"
+      - ADMIN_EMAIL
+      - ADMIN_NAME
       - "ADMIN_PASSWORD_FILE=/run/secrets/limesurvey_admin_password"
       - "PUBLIC_URL=https://${DOMAIN}"
-      - "BASE_URL=https://${DOMAIN}"
+      - "BASE_URL"
     configs:
       - source: entrypoint
         target: /usr/local/bin/custom-entrypoint.sh
@@ -37,6 +39,8 @@ services:
         #- "traefik.http.middlewares.${STACK_NAME}-redirect.headers.SSLForceHost=true"
         #- "traefik.http.middlewares.${STACK_NAME}-redirect.headers.SSLHost=${DOMAIN}"
         - "coop-cloud.${STACK_NAME}.version="
+        - "backupbot.backup=true"
+        - "backupbot.backup.path=/var/www/html/upload/surveys"
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:8080"]
       interval: 30s
@@ -57,6 +61,12 @@ services:
     secrets:
       - db_password
       - db_root_password
+    deploy:
+      labels:
+          backupbot.backup: "true"
+          backupbot.backup.pre-hook: 'mkdir -p /tmp/backup/ && mysqldump --single-transaction -u root -p"$$(cat /run/secrets/db_root_password)" limesurvey > /tmp/backup/backup.sql'
+          backupbot.backup.post-hook: "rm -rf /tmp/backup"
+          backupbot.backup.path: "/tmp/backup/"
 
 volumes:
   app:
@@ -81,4 +91,4 @@ secrets:
     name: ${STACK_NAME}_db_password_${SECRET_DB_PASSWORD_VERSION}
   limesurvey_admin_password:
     external: true
-    name: ${STACK_NAME}_limesurvey_admin_password_${SECRET_LIMESURVEY_ADMIN_PASSWORD_VERSION}
\ No newline at end of file
+    name: ${STACK_NAME}_limesurvey_admin_password_${SECRET_LIMESURVEY_ADMIN_PASSWORD_VERSION}