diff --git a/config/pixelfed.php b/config/pixelfed.php
index 521ccef71..b71d81c51 100644
--- a/config/pixelfed.php
+++ b/config/pixelfed.php
@@ -289,4 +289,6 @@ return [
 
     'app_registration_rate_limit_attempts' => env('PF_IAR_RL_ATTEMPTS', 3),
     'app_registration_rate_limit_decay' => env('PF_IAR_RL_DECAY', 1800),
+    'app_registration_confirm_rate_limit_attempts' => env('PF_IARC_RL_ATTEMPTS', 10),
+    'app_registration_confirm_rate_limit_decay' => env('PF_IARC_RL_ATTEMPTS', 1800),
 ];