diff --git a/osm_nbi/validation.py b/osm_nbi/validation.py
index 518f1be0bfab15d76890e5685ab143ba1871c630..614650e303898cd5919110759ca3621f506b2f40 100644
--- a/osm_nbi/validation.py
+++ b/osm_nbi/validation.py
@@ -1309,7 +1309,7 @@ nslcmsub_schema = {
         },
         "operationTypes": {
             "type": "array",
-            "items": {"enum": ["INSTANTIATE", "SCALE", "TERMINATE", "UPDATE", "HEAL"]},
+            "items": {"enum": ["INSTANTIATE", "INSTANTIATED", "SCALE", "SCALED", "TERMINATE", "TERMINATED", "UPDATE", "UPDATED", "HEAL", "HEALED"]},
         },
         "operationStates": {
             "type": "array",