diff --git a/mail_outbound_static/tests/test_ir_mail_server.py b/mail_outbound_static/tests/test_ir_mail_server.py
index 9ce6da6ed..c5f05b0d5 100644
--- a/mail_outbound_static/tests/test_ir_mail_server.py
+++ b/mail_outbound_static/tests/test_ir_mail_server.py
@@ -72,7 +72,7 @@ class TestIrMailServer(TransactionCase, MockSmtplibCase):
         )
 
     def _skip_test(self, reason):
-        _logger.warn(reason)
+        _logger.warning(reason)
         self.skipTest(reason)
 
     def _send_mail(