diff --git a/OpenAPI/TS28541_5GcNrm.yaml b/OpenAPI/TS28541_5GcNrm.yaml
index e9e23aded3c1896e13db95cb0308ae34c379d6b4..ade2252203059e2e489023224c0886bb7b7696fe 100755
--- a/OpenAPI/TS28541_5GcNrm.yaml
+++ b/OpenAPI/TS28541_5GcNrm.yaml
@@ -2091,7 +2091,8 @@ components:
               type: string
               enum:
                 - GBR
-                - NonGBR
+                - NON_GBR
+                - DELAY_CRITICAL_GBR
             priorityLevel:
               type: integer
             packetDelayBudget: