diff --git a/meshtastic/device_ui.proto b/meshtastic/device_ui.proto
index 138f5e8..1b11ada 100644
--- a/meshtastic/device_ui.proto
+++ b/meshtastic/device_ui.proto
@@ -278,6 +278,11 @@ enum Language {
    */
   UKRAINIAN = 16;
 
+  /*
+   * Bulgarian
+   */
+  BULGARIAN = 17;
+
    /*
    * Simplified Chinese (experimental)
    */