diff --git a/protos/messages.proto b/protos/messages.proto
index 75cf6be..ed6b1d2 100644
--- a/protos/messages.proto
+++ b/protos/messages.proto
@@ -28,6 +28,8 @@ enum DuoOp {
 enum UnoOp {
     Neg = 0;
     Id = 1;
+    Lnot = 2;
+    Bnot = 3;
 }
 
 enum TresOp {