diff --git a/specs/openapi.json b/specs/openapi.json
index 15b804b..14e5b32 100644
--- a/specs/openapi.json
+++ b/specs/openapi.json
@@ -19252,6 +19252,12 @@
               "null"
             ],
             "format": "int32"
+          },
+          "is_nickname_changeable": {
+            "type": [
+              "boolean",
+              "null"
+            ]
           }
         },
         "required": [
diff --git a/specs/openapi_preview.json b/specs/openapi_preview.json
index 0f30861..6d4d4f7 100644
--- a/specs/openapi_preview.json
+++ b/specs/openapi_preview.json
@@ -19323,6 +19323,12 @@
               "null"
             ],
             "format": "int32"
+          },
+          "is_nickname_changeable": {
+            "type": [
+              "boolean",
+              "null"
+            ]
           }
         },
         "required": [