diff --git a/modules/identity/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityRoleEto.cs b/modules/identity/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityRoleEto.cs
index 3effffce6b..52b7ff907f 100644
--- a/modules/identity/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityRoleEto.cs
+++ b/modules/identity/src/Volo.Abp.Identity.Domain.Shared/Volo/Abp/Identity/IdentityRoleEto.cs
@@ -2,6 +2,7 @@
 
 namespace Volo.Abp.Identity
 {
+    [Serializable]
     public class IdentityRoleEto
     {
         public Guid Id { get; set; }