diff --git a/.env.sample b/.env.sample
index cd1d23f..577bcfb 100644
--- a/.env.sample
+++ b/.env.sample
@@ -198,3 +198,5 @@ REJECT_UNLISTED_RECIPIENT=
 # NOTE(3wc): Other values are not supported, as compose.yml does not contain
 # configuration for them. Pull requests welcome!
 DB_FLAVOR=sqlite
+
+ENABLE_BACKUPS=true
\ No newline at end of file
diff --git a/README.md b/README.md
index b246f37..c120be2 100644
--- a/README.md
+++ b/README.md
@@ -4,10 +4,10 @@ Coöp Cloud + [Mailu][Mailu] = 🥳
 
 <!-- metadata -->
 * **Category**: Apps
-* **Status**: 1, alpha
+* **Status**: 2, beta
 * **Image**: [`mailu/*`](https://hub.docker.com/r/mailu/), 4, upstream
 * **Healthcheck**: No
-* **Backups**: No
+* **Backups**: Yes
 * **Email**: N/A
 * **Tests**: No
 * **SSO**: No
diff --git a/abra.sh b/abra.sh
index 43a8597..ebf8add 100644
--- a/abra.sh
+++ b/abra.sh
@@ -1,3 +1,4 @@
 export CERTDUMPER_POST_VERSION=v1
 export POSTFIX_OVERRIDE_VERSION=v17
 export SENDER_LOGIN_VERSIONS=v2
+export BACKUP_SQLITE_VERSION=v1
diff --git a/backup_sqlite.py b/backup_sqlite.py
new file mode 100644
index 0000000..972a7df
--- /dev/null
+++ b/backup_sqlite.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+import os
+import sqlite3
+from pathlib import Path
+
+source_path = Path("/data/main.db")
+backup_dir = Path("/data/backup")
+temporary_path = backup_dir / "main.db.tmp"
+backup_path = backup_dir / "main.db"
+
+os.umask(0o077)
+backup_dir.mkdir(mode=0o700, parents=True, exist_ok=True)
+temporary_path.unlink(missing_ok=True)
+
+try:
+    # Read-only mode prevents silently creating an empty source database.
+    source = sqlite3.connect(
+        f"{source_path.as_uri()}?mode=ro",
+        uri=True,
+        timeout=60,
+    )
+    destination = sqlite3.connect(temporary_path)
+    try:
+        source.backup(destination, pages=256, sleep=0.1)
+        result = destination.execute("PRAGMA integrity_check").fetchall()
+        if result != [("ok",)]:
+            raise RuntimeError(f"SQLite integrity check failed: {result}")
+    finally:
+        destination.close()
+        source.close()
+    # Only publish a fully written, verified snapshot.
+    os.replace(temporary_path, backup_path)
+    print(f"SQLite backup ready: {backup_path}", flush=True)
+except Exception:
+    temporary_path.unlink(missing_ok=True)
+    raise
diff --git a/compose.yml b/compose.yml
index a8e98bc..61e443c 100644
--- a/compose.yml
+++ b/compose.yml
@@ -55,7 +55,7 @@ x-environment:
 
 services:
   app:
-    image: ghcr.io/mailu/nginx:2024.06.64
+    image: ghcr.io/mailu/nginx:2024.06.67
     logging:
       driver: json-file
     networks:
@@ -96,15 +96,18 @@ services:
         - "traefik.http.routers.${STACK_NAME}.rule=Host(`${DOMAIN}`)"
         - "traefik.http.routers.${STACK_NAME}.tls.certresolver=${LETS_ENCRYPT_ENV}"
         - "traefik.http.routers.${STACK_NAME}.entrypoints=web-secure"
-        - "coop-cloud.${STACK_NAME}.version=3.1.5+2024.06.61"
+        - "coop-cloud.${STACK_NAME}.version=4.0.0+2024.06.67"
+        - "backupbot.backup=${ENABLE_BACKUPS:-true}"
+        - "backupbot.backup.volumes.traefik_letsencrypt=false"
+        - "backupbot.backup.volumes.mailu.path=backup"
   
   db:
-    image: redis:8.10.2-alpine
+    image: redis:8.10.3-alpine
     volumes:
       - "redis:/data"
 
   admin:
-    image: ghcr.io/mailu/admin:2024.06.64
+    image: ghcr.io/mailu/admin:2024.06.67
     environment: *default-env
     healthcheck:
       disable: true
@@ -115,9 +118,16 @@ services:
       - "mailu:/data"
     networks:
       - default
+    configs:
+      - source: backup_sqlite
+        target: /usr/local/bin/backup_sqlite.py
+        mode: 0444
+    deploy:
+      labels:
+        backupbot.backup.pre-hook: "python3 /usr/local/bin/backup_sqlite.py"
 
   imap:
-    image: ghcr.io/mailu/dovecot:2024.06.64
+    image: ghcr.io/mailu/dovecot:2024.06.67
     environment: *default-env
     secrets:
       - secret_key
@@ -131,7 +141,7 @@ services:
       - default
 
   smtp:
-    image: ghcr.io/mailu/postfix:2024.06.64
+    image: ghcr.io/mailu/postfix:2024.06.67
     environment: *default-env
     secrets:
       - secret_key
@@ -143,7 +153,7 @@ services:
       - app
 
   antispam:
-    image: ghcr.io/mailu/rspamd:2024.06.64
+    image: ghcr.io/mailu/rspamd:2024.06.67
     environment: *default-env
     secrets:
       - secret_key
@@ -154,7 +164,7 @@ services:
       disable: true
 
   webmail:
-    image: ghcr.io/mailu/webmail:2024.06.64
+    image: ghcr.io/mailu/webmail:2024.06.67
     # entrypoint: "tail -f /dev/null"
     environment: *default-env
     networks:
@@ -221,6 +231,10 @@ configs:
   certdumper_post:
     name: ${STACK_NAME}_certdumper_post_${CERTDUMPER_POST_VERSION}
     file: certdumper_post.sh
+  backup_sqlite:
+    name: ${STACK_NAME}_backup_sqlite_${BACKUP_SQLITE_VERSION}
+    file: backup_sqlite.py
+
 
 secrets:
   secret_key:
diff --git a/release/3.2.0+2024.06.61 b/release/3.2.0+2024.06.61
new file mode 100644
index 0000000..83d1d51
--- /dev/null
+++ b/release/3.2.0+2024.06.61
@@ -0,0 +1 @@
+Contains mitigation measures for php2shell
\ No newline at end of file
diff --git a/release/3.2.1+2024.06.66 b/release/3.2.1+2024.06.66
new file mode 100644
index 0000000..8314bc6
--- /dev/null
+++ b/release/3.2.1+2024.06.66
@@ -0,0 +1 @@
+Actual mitigation for php2shell pending further alpine image upgrades
\ No newline at end of file
diff --git a/renovate.json b/renovate.json
new file mode 100644
index 0000000..5db72dd
--- /dev/null
+++ b/renovate.json
@@ -0,0 +1,6 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:recommended"
+  ]
+}