diff --git a/docker-compose/docker-compose-bettershift.yml b/docker-compose/docker-compose-bettershift.yml
index e99eea0..1194e8c 100644
--- a/docker-compose/docker-compose-bettershift.yml
+++ b/docker-compose/docker-compose-bettershift.yml
@@ -5,7 +5,7 @@ name: bettershift
 services:
   bettershift:
     container_name: bettershift
-    image: ghcr.io/pantelx/bettershift:${BETTERSHIFT_VERSION:-v2.2.1}
+    image: ghcr.io/pantelx/bettershift:${BETTERSHIFT_VERSION:-v3.3.0}
     restart: unless-stopped
 
     ports:
@@ -19,6 +19,7 @@ services:
 
     environment:
       - TZ=Europe/Prague
+      - DEFAULT_LOCALE=cs
 
 networks:
   backend:
diff --git a/update_bettershift.yml b/update_bettershift.yml
index 244e023..ca4e8cc 100644
--- a/update_bettershift.yml
+++ b/update_bettershift.yml
@@ -52,7 +52,40 @@
                     integrity = db.execute('PRAGMA integrity_check').fetchall()
                     errors = db.execute('PRAGMA foreign_key_check').fetchall()
                     print('Integrity:', integrity, 'Foreign key violations:', errors)
-                    sys.exit(0 if integrity == [('ok',)] and not errors else 1)
+                    known_errors = {
+                        ('audit_logs', 1, 'user', 0),
+                        ('audit_logs', 2, 'user', 0),
+                        ('audit_logs', 3, 'user', 0),
+                        ('audit_logs', 4, 'user', 0),
+                        ('audit_logs', 5, 'user', 0),
+                        ('calendars', 1, 'user', 0),
+                    }
+                    missing_user = 'RnqG0DGnnCOVgL3iWRRUAvHlMhLcdm6Y'
+                    unexpected = []
+
+                    for error in errors:
+                        if error not in known_errors:
+                            unexpected.append(error)
+                            continue
+
+                        table, rowid, _, _ = error
+                        column = 'owner_id' if table == 'calendars' else 'user_id'
+                        value = db.execute(
+                            f'SELECT "{column}" FROM "{table}" WHERE rowid = ?',
+                            (rowid,)
+                        ).fetchone()
+
+                        if value != (missing_user,):
+                            unexpected.append(error)
+                        elif table == 'calendars':
+                            calendar = db.execute(
+                                'SELECT id FROM calendars WHERE rowid = ?', (rowid,)
+                            ).fetchone()
+                            if calendar != ('60a3f0e7-c8f6-4f53-92f9-7088dff4656a',):
+                                unexpected.append(error)
+
+                    print('Unexpected foreign key violations:', unexpected)
+                    sys.exit(0 if integrity == [('ok',)] and not unexpected else 1)
           - "{{ bettershift_data_dir }}/sqlite.db"
       changed_when: false