diff --git a/photoprism/docker-compose.yml b/photoprism/docker-compose.yml
index 1ee1706..b3ecf92 100644
--- a/photoprism/docker-compose.yml
+++ b/photoprism/docker-compose.yml
@@ -5,6 +5,9 @@ services:
     environment:
       APP_HOST: $APP_PHOTOPRISM_IP
       APP_PORT: $APP_PHOTOPRISM_PORT
+      # These endpoints are protected by HTTP Basic Auth by Photoprism.
+      # More details here: https://docs.photoprism.app/user-guide/sync/webdav/#server-url
+      PROXY_AUTH_WHITELIST: "/originals/*,/import/*"
   web:
     image: photoprism/photoprism:20210925@sha256:238e6955804d82097d08f0e4318835721f46bd844f9065a38aa7d112ab72906e
     user: "1000:1000"
diff --git a/photoprism/umbrel-app.yml b/photoprism/umbrel-app.yml
index ed820c6..b8f4311 100644
--- a/photoprism/umbrel-app.yml
+++ b/photoprism/umbrel-app.yml
@@ -2,7 +2,7 @@ manifestVersion: 1
 id: photoprism
 category: Files
 name: PhotoPrism
-version: "20210925"
+version: "20210925-build-2"
 tagline: Self-host your photo and video library
 description: >-
   PhotoPrism® is a privately hosted app for browsing, organizing, and