diff --git a/OpenAPI/TS28541_5GcNrm.yaml b/OpenAPI/TS28541_5GcNrm.yaml
index 66849e0fd6f31fb031e40a5457d71dfb3cb27023..2a1968683699736f17672120c0d58fc92fbe9e21 100755
--- a/OpenAPI/TS28541_5GcNrm.yaml
+++ b/OpenAPI/TS28541_5GcNrm.yaml
@@ -2219,6 +2219,7 @@ components:
           type: integer
           minimum: 0
           maximum: 4294967295
+          format: int64
         trpMappingInfoList:
           type: array
           uniqueItems: true
@@ -3254,6 +3255,7 @@ 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 0daedc3d0dda0cf26c6705b2d7002e7530cf0049..53f3e31be8f76969bda076cd3da84b2c4ab696ae 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