diff --git a/presence-detector.py b/presence-detector.py
index 3e8d5d1..f1af615 100755
--- a/presence-detector.py
+++ b/presence-detector.py
@@ -19,7 +19,7 @@
 from typing import Any, List, Callable, Optional, Tuple
 from urllib import request
 
-VERSION = "2.1.0"
+VERSION = "2.1.1"
 
 
 class Logger:
@@ -215,7 +215,7 @@ def _update_version_entity(self):
             if self._settings.ap_name
             else "openwrt_router"
         )
-        entity_id = f"{ap_name}.presence_detector_version"
+        entity_id = f"sensor.{ap_name}_presence_detector_version"
 
         response, ok = self._post(
             f"{self._settings.hass_url}/api/states/{entity_id}",
@@ -263,6 +263,8 @@ def run(self) -> None:
                     # We're back online -> process backlog
                     ha_is_offline = False
                     self._do_full_sync()
+                    # Update the version entity in HA
+                    self._update_version_entity()
             else:
                 self._logger.log("Home Assistant seems to be offline, sleeping...")
                 # HA is offline -> Add the item back to the queue
diff --git a/requirements-dev.txt b/requirements-dev.txt
index e914d5d..16e07af 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,3 @@
 -r requirements.txt
-pylint==2.17.0
-mypy==1.1.1
+pylint==3.0.2
+mypy==1.7.0