diff --git a/models/data-types/timestamp.yaml b/models/data-types/timestamp.yaml
index 5d9140b..cc50d47 100644
--- a/models/data-types/timestamp.yaml
+++ b/models/data-types/timestamp.yaml
@@ -4,7 +4,6 @@ examples:
   - 1514764800000
   - 1681855703000
 minimum: 1514764800000
-multipleOf: 1
-type: number
+type: integer
 x-stoplight:
   id: vliol1hqlxw6y