diff --git a/docs/CreateUserOption.md b/docs/CreateUserOption.md
index 6b98e7f..a79981e 100644
--- a/docs/CreateUserOption.md
+++ b/docs/CreateUserOption.md
@@ -3,6 +3,7 @@
 ## Properties
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
+**createdAt** | [**Date**](Date.md) | For explicitly setting the user creation timestamp. Useful when users are migrated from other systems. When omitted, the user's creation timestamp will be set to \"now\". |  [optional]
 **email** | **String** |  | 
 **fullName** | **String** |  |  [optional]
 **loginName** | **String** |  |  [optional]
diff --git a/src/main/java/org/gitnex/tea4j/v2/models/CreateUserOption.java b/src/main/java/org/gitnex/tea4j/v2/models/CreateUserOption.java
index b718ddb..86ef911 100644
--- a/src/main/java/org/gitnex/tea4j/v2/models/CreateUserOption.java
+++ b/src/main/java/org/gitnex/tea4j/v2/models/CreateUserOption.java
@@ -15,6 +15,7 @@ package org.gitnex.tea4j.v2.models;
 import com.google.gson.annotations.SerializedName;
 import io.swagger.v3.oas.annotations.media.Schema;
 import java.io.Serializable;
+import java.util.Date;
 import java.util.Objects;
 
 /** CreateUserOption create user options */
@@ -22,6 +23,9 @@ import java.util.Objects;
 public class CreateUserOption implements Serializable {
   private static final long serialVersionUID = 1L;
 
+  @SerializedName("created_at")
+  private Date createdAt = null;
+
   @SerializedName("email")
   private String email = null;
 
@@ -52,6 +56,30 @@ public class CreateUserOption implements Serializable {
   @SerializedName("visibility")
   private String visibility = null;
 
+  public CreateUserOption createdAt(Date createdAt) {
+    this.createdAt = createdAt;
+    return this;
+  }
+
+  /**
+   * For explicitly setting the user creation timestamp. Useful when users are migrated from other
+   * systems. When omitted, the user's creation timestamp will be set to \"now\".
+   *
+   * @return createdAt
+   */
+  @Schema(
+      description =
+          "For explicitly setting the user creation timestamp. Useful when users are migrated from"
+              + " other systems. When omitted, the user's creation timestamp will be set to"
+              + " \"now\".")
+  public Date getCreatedAt() {
+    return createdAt;
+  }
+
+  public void setCreatedAt(Date createdAt) {
+    this.createdAt = createdAt;
+  }
+
   public CreateUserOption email(String email) {
     this.email = email;
     return this;
@@ -251,7 +279,8 @@ public class CreateUserOption implements Serializable {
       return false;
     }
     CreateUserOption createUserOption = (CreateUserOption) o;
-    return Objects.equals(this.email, createUserOption.email)
+    return Objects.equals(this.createdAt, createUserOption.createdAt)
+        && Objects.equals(this.email, createUserOption.email)
         && Objects.equals(this.fullName, createUserOption.fullName)
         && Objects.equals(this.loginName, createUserOption.loginName)
         && Objects.equals(this.mustChangePassword, createUserOption.mustChangePassword)
@@ -266,6 +295,7 @@ public class CreateUserOption implements Serializable {
   @Override
   public int hashCode() {
     return Objects.hash(
+        createdAt,
         email,
         fullName,
         loginName,
@@ -283,6 +313,7 @@ public class CreateUserOption implements Serializable {
     StringBuilder sb = new StringBuilder();
     sb.append("class CreateUserOption {\n");
 
+    sb.append("    createdAt: ").append(toIndentedString(createdAt)).append("\n");
     sb.append("    email: ").append(toIndentedString(email)).append("\n");
     sb.append("    fullName: ").append(toIndentedString(fullName)).append("\n");
     sb.append("    loginName: ").append(toIndentedString(loginName)).append("\n");