diff --git a/config/services.php b/config/services.php
index 5997f3637790..ec997c835684 100644
--- a/config/services.php
+++ b/config/services.php
@@ -77,4 +77,5 @@ return [
         'client_secret' => env('BITBUCKET_CLIENT_SECRET'),
         'redirect' => env('BITBUCKET_OAUTH_REDIRECT'),
     ],
+    'postmark' => env('POSTMARK_SECRET'),
 ];