diff --git a/protos/voltha_protos/openolt.proto b/protos/voltha_protos/openolt.proto
index 6a38963..db5da54 100644
--- a/protos/voltha_protos/openolt.proto
+++ b/protos/voltha_protos/openolt.proto
@@ -307,6 +307,7 @@
     fixed32 onu_id = 2;
     SerialNumber serial_number = 3;
     fixed32 pir = 4;   // peak information rate assigned to onu
+    bool omcc_encryption = 5;
 }
 
 message OnuLogicalDistance {