diff --git a/services/monitoring/rules.yml b/services/monitoring/rules.yml
index 92d3201..4707787 100644
--- a/services/monitoring/rules.yml
+++ b/services/monitoring/rules.yml
@@ -227,13 +227,13 @@ groups:
           summary: "Mosquitto not running on {{ $labels.instance }}"
           description: "Mosquitto has been down on {{ $labels.instance }} more than 5 minutes."
       - alert: zigbee_sensor_stale
-        expr: (time() - hass_last_updated_time_seconds{entity=~"sensor\\.(0x[0-9a-f]+|temp_server)_temperature"}) > 3600
+        expr: (time() - hass_last_updated_time_seconds{entity=~"sensor\\.(0x[0-9a-f]+|temp_server)_temperature"}) > 7200
         for: 5m
         labels:
           severity: warning
         annotations:
           summary: "Zigbee sensor {{ $labels.friendly_name }} is stale"
-          description: "Zigbee temperature sensor {{ $labels.entity }} has not reported data for over 1 hour. The sensor may have a dead battery or connectivity issues."
+          description: "Zigbee temperature sensor {{ $labels.entity }} has not reported data for over 2 hours. The sensor may have a dead battery or connectivity issues."
   - name: smartctl_rules
     rules:
       - alert: smart_critical_warning