diff --git a/stack-compose.yml b/stack-compose.yml
index 15e6bdc..0d58883 100644
--- a/stack-compose.yml
+++ b/stack-compose.yml
@@ -49,4 +49,4 @@ secrets:
   BACKEND_EMAIL_API_KEY:
     external: true
   GOOGLE_CREDS_JSON:
-    EXTERNAL: true
+    external: true