diff --git a/protob/types.proto b/protob/types.proto
index 8410b3ca3b..d83fad4b70 100644
--- a/protob/types.proto
+++ b/protob/types.proto
@@ -86,6 +86,7 @@ enum ButtonRequestType {
 	ButtonRequest_SignTx = 8;
 	ButtonRequest_FirmwareCheck = 9;
 	ButtonRequest_Address = 10;
+	ButtonRequest_PublicKey = 11;
 }
 
 /**