diff --git a/app.json b/app.json
index a411cd7..bf18e1c 100644
--- a/app.json
+++ b/app.json
@@ -45,6 +45,10 @@
       "description": "Username for your WebDAV server, if using WebDAV file storage",
       "required": false
     },
+    "WEBDAV_PASSWORD": {
+      "description": "Password for your WebDAV server, if using WebDAV file storage",
+      "required": false
+    },
     "WEBDAV_PATH_PREFIX": {
       "description": "Optional path prefix for your WebDAV server, if using WebDAV file storage",
       "required": false