diff --git a/meshtastic/admin.proto b/meshtastic/admin.proto
index 5ecf310..ac29cc8 100644
--- a/meshtastic/admin.proto
+++ b/meshtastic/admin.proto
@@ -666,6 +666,11 @@ message SensorConfig {
    * SCD30 CO2 Sensor configuration
    */
   SCD30_config scd30_config = 3;
+
+  /*
+   * SHTXX temperature and relative humidity sensor configuration
+   */
+  SHTXX_config shtxx_config = 4;
 }
 
 message SCD4X_config {
@@ -748,3 +753,10 @@ message SCD30_config {
    */
   optional bool soft_reset = 6;
 }
+
+message SHTXX_config {
+  /*
+   * Accuracy mode (0 = low, 1 = medium, 2 = high)
+   */
+  optional uint32 set_accuracy = 1;
+}