diff --git a/tools/composer-require-checker.json b/tools/composer-require-checker.json
index 6f661ff..d1df8ce 100644
--- a/tools/composer-require-checker.json
+++ b/tools/composer-require-checker.json
@@ -1,5 +1,9 @@
 {
   "symbol-whitelist": [
-    "SimpleSAML\\Module\\ldap\\ConfigHelper"
+    "SimpleSAML\\Module\\ldap\\ConfigHelper",
+    "SimpleSAML\\Module\\ldap\\ConnectorFactory",
+    "SimpleSAML\\Module\\ldap\\ConnectorInterface",
+    "Symfony\\Component\\Ldap\\Security\\LdapUserProvider",
+    "Symfony\\Component\\Security\\Core\\Exception\\UserNotFoundException"
   ]
 }