diff --git a/OpenAPI/TS28541_5GcNrm.yaml b/OpenAPI/TS28541_5GcNrm.yaml
index 46e732f023195684e82a3652cb183060a750488e..a3811f0968db19721aa8886dbe7162f8b23a2a27 100755
--- a/OpenAPI/TS28541_5GcNrm.yaml
+++ b/OpenAPI/TS28541_5GcNrm.yaml
@@ -4111,7 +4111,8 @@ components:
               type: string
               enum:
                 - GBR
-                - NonGBR
+                - NON_GBR
+                - DELAY_CRITICAL_GBR
             priorityLevel:
               type: integer
             packetDelayBudget: