diff --git a/compose.fulltextsearch.yml b/compose.fulltextsearch.yml
index bc85ca6..0a9bd8a 100644
--- a/compose.fulltextsearch.yml
+++ b/compose.fulltextsearch.yml
@@ -29,7 +29,7 @@ services:
         mode: 0600
 
   searchindexer:
-    image: nextcloud:32-fpm
+    image: nextcloud:33-fpm
     volumes:
       - nextcloud:/var/www/html/
       - nextapps:/var/www/html/custom_apps:cached
diff --git a/compose.yml b/compose.yml
index c596243..14f826f 100644
--- a/compose.yml
+++ b/compose.yml
@@ -48,7 +48,7 @@ services:
       start_period: 5m
 
   app:
-    image: nextcloud:32-fpm
+    image: nextcloud:33-fpm
     depends_on:
       - db
     configs:
@@ -109,7 +109,7 @@ services:
       start_period: 15m
 
   cron:
-    image: nextcloud:32-fpm
+    image: nextcloud:33-fpm
     volumes:
       - nextcloud:/var/www/html/
       - nextapps:/var/www/html/custom_apps:cached
diff --git a/release/14.0.0+33-fpm b/release/14.0.0+33-fpm
new file mode 100644
index 0000000..66b90bd
--- /dev/null
+++ b/release/14.0.0+33-fpm
@@ -0,0 +1,10 @@
+Upgrades Nextcloud from 32.0.13 to 33 (major version upgrade).
+
+IMPORTANT:
+- Nextcloud does NOT support downgrades. Take a backup before deploying.
+- Do not skip major versions: your instance must be on the latest 32.x before
+  upgrading to 33. If you are on an older 32.x, deploy 32.0.13 first.
+- After deploying, check the logs and run any pending repair/upgrade steps:
+  `abra app cmd <app> app run_occ '"app:update --all"'`
+- Review app (plug-in) compatibility with Nextcloud 33 before upgrading; some
+  apps may need to be updated or temporarily disabled.