diff --git a/dc/arista-proxy/proto/arista.proto b/dc/arista-proxy/proto/arista.proto
index 2874f70..3bd254d 100644
--- a/dc/arista-proxy/proto/arista.proto
+++ b/dc/arista-proxy/proto/arista.proto
@@ -23,6 +23,27 @@
 };
 
 message ShowEnvironmentTemperatureResponse {
+    message TemperatureSensor {
+        bool in_alert_state = 1;
+        double max_temperature = 2;
+        string rel_pos = 3;
+        string description = 4;
+        string name = 5;
+        int64 alert_count = 6;
+        double current_temperature = 7;
+        double overheat_threshold = 8;
+        double critical_threshold = 9;
+        string hw_status = 10;
+    };
+    message PowerSupplySlot {
+        string ent_physical_class = 1;
+        string rel_pos = 2;
+        repeated TemperatureSensor temperature_sensors = 3;
+    };
+    string system_status = 1;
+    bool shutdown_on_overheat = 2;
+    repeated PowerSupplySlot power_supply_slots = 3;
+    repeated TemperatureSensor temperature_sensors = 4;
 };
 
 service AristaProxy {