diff --git a/homeassistant/components/emonitor/manifest.json b/homeassistant/components/emonitor/manifest.json
index c8ebdc415ec..6548c71171c 100644
--- a/homeassistant/components/emonitor/manifest.json
+++ b/homeassistant/components/emonitor/manifest.json
@@ -4,7 +4,10 @@
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/emonitor",
   "requirements": ["aioemonitor==1.0.5"],
-  "dhcp": [{ "hostname": "emonitor*", "macaddress": "0090C2*" }],
+  "dhcp": [
+    {"hostname": "emonitor*", "macaddress": "0090C2*"},
+    {"registered_devices": true}
+  ],
   "codeowners": ["@bdraco"],
   "iot_class": "local_polling",
   "loggers": ["aioemonitor"]
diff --git a/homeassistant/generated/dhcp.py b/homeassistant/generated/dhcp.py
index 687eea81dcf..b876797ee40 100644
--- a/homeassistant/generated/dhcp.py
+++ b/homeassistant/generated/dhcp.py
@@ -24,6 +24,7 @@ DHCP: list[dict[str, str | bool]] = [
     {'domain': 'broadlink', 'macaddress': 'B4430D*'},
     {'domain': 'elkm1', 'macaddress': '00409D*'},
     {'domain': 'emonitor', 'hostname': 'emonitor*', 'macaddress': '0090C2*'},
+    {'domain': 'emonitor', 'registered_devices': True},
     {'domain': 'flume', 'hostname': 'flume-gw-*'},
     {'domain': 'flux_led', 'hostname': '[ba][lk]*', 'macaddress': '18B905*'},
     {'domain': 'flux_led', 'hostname': '[ba][lk]*', 'macaddress': '249494*'},