diff --git a/community-containers/stalwart/stalwart.json b/community-containers/stalwart/stalwart.json
index c1aa3fd5..56051574 100644
--- a/community-containers/stalwart/stalwart.json
+++ b/community-containers/stalwart/stalwart.json
@@ -47,7 +47,11 @@
             ],
             "environment": [
                 "TZ=%TIMEZONE%",
-                "NC_DOMAIN=%NC_DOMAIN%"
+                "NC_DOMAIN=%NC_DOMAIN%",
+                "ADMIN_SECRET=%STALWART_USER_PASS%"
+            ],
+            "secrets": [
+                "STALWART_USER_PASS"
             ],
             "volumes": [
                 {