diff --git a/dictionaries/ImpureFunctionsList.php b/dictionaries/ImpureFunctionsList.php
index 18ff96051a0..cbd5625b6c8 100644
--- a/dictionaries/ImpureFunctionsList.php
+++ b/dictionaries/ImpureFunctionsList.php
@@ -254,6 +254,9 @@
     'openssl_pkcs12_export_to_file' => true,
     'openssl_pkey_export_to_file' => true,
     'openssl_x509_export_to_file' => true,
+    // xml
+    'xml_parser_set_option' => true,
+    'xml_parser_free' => true,
     // mail
     'mail' => true,
 ];