diff --git a/lib/types/validators/version-validators.js b/lib/types/validators/version-validators.js
--- a/lib/types/validators/version-validators.js
+++ b/lib/types/validators/version-validators.js
@@ -2,12 +2,12 @@
 
 import t, { type TInterface } from 'tcomb';
 
-import { tShape } from '../../utils/validation-utils.js';
+import { tShape, tUserID } from '../../utils/validation-utils.js';
 import type { VersionResponse } from '../device-types.js';
 
 export const versionResponseValidator: TInterface<VersionResponse> =
   tShape<VersionResponse>({
     codeVersion: t.Number,
     ownerUsername: t.maybe(t.String),
-    ownerID: t.maybe(t.String),
+    ownerID: t.maybe(tUserID),
   });