diff --git a/meshtastic/telemetry.proto b/meshtastic/telemetry.proto
index 06734ae..bfc64dc 100644
--- a/meshtastic/telemetry.proto
+++ b/meshtastic/telemetry.proto
@@ -637,6 +637,11 @@ enum TelemetrySensorType {
    * MAX17261 lipo battery gauge
    */
   MAX17261 = 38;
+
+  /*
+   * PCT2075 Temperature Sensor
+   */
+  PCT2075 = 39;
 }
 
 /*