diff --git a/src/Appwrite/Auth/MFA/Challenge.php b/src/Appwrite/Auth/MFA/Challenge.php
index 67c169a2b3..9d0457b273 100644
--- a/src/Appwrite/Auth/MFA/Challenge.php
+++ b/src/Appwrite/Auth/MFA/Challenge.php
@@ -6,6 +6,6 @@ use Utopia\Database\Document;
 
 abstract class Challenge
 {
-    abstract static function verify(Document $user, string $otp): bool;
-    abstract static function challenge(Document $challenge, Document $user, string $otp): bool;
+    abstract public static function verify(Document $user, string $otp): bool;
+    abstract public static function challenge(Document $challenge, Document $user, string $otp): bool;
 }
diff --git a/src/Appwrite/Auth/MFA/Provider.php b/src/Appwrite/Auth/MFA/Provider.php
index d056368900..a5c2a29af0 100644
--- a/src/Appwrite/Auth/MFA/Provider.php
+++ b/src/Appwrite/Auth/MFA/Provider.php
@@ -43,7 +43,7 @@ abstract class Provider
         return $this->instance->getProvisioningUri();
     }
 
-    static function generateBackupCodes(int $length = 6, int $total = 6): array
+    public static function generateBackupCodes(int $length = 6, int $total = 6): array
     {
         $backups = [];