diff --git a/pythonkuma/models.py b/pythonkuma/models.py
index 5ea08b7..8ce2bd2 100644
--- a/pythonkuma/models.py
+++ b/pythonkuma/models.py
@@ -46,6 +46,7 @@ class MonitorType(StrEnum):
     SMTP = "smtp"
     SNMP = "snmp"
     RABBIT_MQ = "rabbitmq"
+    MANUAL = "manual"
     UNKNOWN = "unknown"
 
     @classmethod