diff --git a/protob/messages.proto b/protob/messages.proto
index 107d92ccd2..4713561cf5 100644
--- a/protob/messages.proto
+++ b/protob/messages.proto
@@ -42,6 +42,7 @@ enum MessageType {
 	MessageType_ButtonAck = 27 [(wire_in) = true, (wire_tiny) = true];
 	MessageType_GetAddress = 29 [(wire_in) = true];
 	MessageType_Address = 30 [(wire_out) = true];
+	MessageType_SelfTest = 32 [(wire_in) = true, (wire_bootloader) = true];
 	MessageType_BackupDevice = 34 [(wire_in) = true];
 	MessageType_EntropyRequest = 35 [(wire_out) = true];
 	MessageType_EntropyAck = 36 [(wire_in) = true];
@@ -752,6 +753,15 @@ message FirmwareUpload {
 	optional bytes hash = 2;			// hash of the payload
 }
 
+
+/**
+ * Request: Perform a device self-test
+ * @next Success
+ * @next Failure
+ */
+message SelfTest {
+}
+
 /////////////////////////////////////////////////////////////
 // Debug messages (only available if DebugLink is enabled) //
 /////////////////////////////////////////////////////////////