diff --git a/OpenAPI/TS28541_5GcNrm.yaml b/OpenAPI/TS28541_5GcNrm.yaml
index 950193f8c1504b8714dfa9a5af77de681e0a3477..55b20a5fa6562db1f421b9c2ff0c820f436e9c4a 100755
--- a/OpenAPI/TS28541_5GcNrm.yaml
+++ b/OpenAPI/TS28541_5GcNrm.yaml
@@ -1943,6 +1943,7 @@ components:
           type: integer
           minimum: 0
           maximum: 4294967295
+          format: int64
         trpMappingInfoList:
           type: array
           uniqueItems: true
@@ -2936,6 +2937,7 @@ components:
           type: integer
           minimum: 0
           maximum: 4294967295
+          format: int64
         ngeNbId:
           type: string
           pattern: '^(MacroNGeNB-[A-Fa-f0-9]{5}|LMacroNGeNB-[A-Fa-f0-9]{6}|SMacroNGeNB-[A-Fa-f0-9]{5})$'
diff --git a/OpenAPI/TS28541_NrNrm.yaml b/OpenAPI/TS28541_NrNrm.yaml
index 243f41b2c04fa2df73cb77f444aee96a6c1d4446..842609fe2eb125e32e2fd787fa452325d9633542 100755
--- a/OpenAPI/TS28541_NrNrm.yaml
+++ b/OpenAPI/TS28541_NrNrm.yaml
@@ -19,6 +19,7 @@ components:
       type: integer
       minimum: 0
       maximum: 4294967295
+      format: int64
     GnbIdLength:
       type: integer
       minimum: 22
@@ -30,10 +31,12 @@ components:
       type: integer
       minimum: 0
       maximum: 68719476735
+      format: int64
     GnbCuUpId:
       type: integer
       minimum: 0
       maximum: 68719476735
+      format: int64
       readOnly: true
 
     Sst:
@@ -682,6 +685,7 @@ components:
             default: 0            
             minimum: 0
             maximum: 8589934591 
+            format: int64
           eccentricity:
             type: integer
             default: 0