diff --git a/beszel/internal/users/users.go b/beszel/internal/users/users.go
index 7f03736..c2cfacb 100644
--- a/beszel/internal/users/users.go
+++ b/beszel/internal/users/users.go
@@ -5,7 +5,6 @@ import (
 	"beszel/migrations"
 	"log"
 	"net/http"
-	"strings"
 
 	"github.com/pocketbase/pocketbase"
 	"github.com/pocketbase/pocketbase/core"
@@ -98,9 +97,6 @@ func (um *UserManager) CreateFirstUser(e *core.RequestEvent) error {
 	user.SetPassword(data.Password)
 	user.Set("role", "admin")
 	user.Set("verified", true)
-	if username := strings.Split(data.Email, "@")[0]; len(username) > 2 {
-		user.Set("username", username)
-	}
 	if err := um.app.Save(user); err != nil {
 		return e.JSON(http.StatusInternalServerError, map[string]string{"err": err.Error()})
 	}
diff --git a/beszel/migrations/1738624382_updated_users.go b/beszel/migrations/1738624382_updated_users.go
new file mode 100644
index 0000000..ca72e14
--- /dev/null
+++ b/beszel/migrations/1738624382_updated_users.go
@@ -0,0 +1,98 @@
+package migrations
+
+import (
+	"encoding/json"
+
+	"github.com/pocketbase/pocketbase/core"
+	m "github.com/pocketbase/pocketbase/migrations"
+)
+
+func init() {
+	m.Register(func(app core.App) error {
+		collection, err := app.FindCollectionByNameOrId("_pb_users_auth_")
+		if err != nil {
+			return err
+		}
+
+		// update collection data
+		if err := json.Unmarshal([]byte(`{
+			"indexes": [
+				"CREATE UNIQUE INDEX ` + "`" + `__pb_users_auth__email_idx` + "`" + ` ON ` + "`" + `users` + "`" + ` (` + "`" + `email` + "`" + `) WHERE ` + "`" + `email` + "`" + ` != ''",
+				"CREATE UNIQUE INDEX ` + "`" + `__pb_users_auth__tokenKey_idx` + "`" + ` ON ` + "`" + `users` + "`" + ` (` + "`" + `tokenKey` + "`" + `)"
+			]
+		}`), &collection); err != nil {
+			return err
+		}
+
+		// remove field
+		collection.Fields.RemoveById("text4166911607")
+
+		// update field
+		if err := collection.Fields.AddMarshaledJSONAt(3, []byte(`{
+			"exceptDomains": null,
+			"hidden": false,
+			"id": "email3885137012",
+			"name": "email",
+			"onlyDomains": null,
+			"presentable": false,
+			"required": true,
+			"system": true,
+			"type": "email"
+		}`)); err != nil {
+			return err
+		}
+
+		return app.Save(collection)
+	}, func(app core.App) error {
+		collection, err := app.FindCollectionByNameOrId("_pb_users_auth_")
+		if err != nil {
+			return err
+		}
+
+		// update collection data
+		if err := json.Unmarshal([]byte(`{
+			"indexes": [
+				"CREATE UNIQUE INDEX ` + "`" + `__pb_users_auth__username_idx` + "`" + ` ON ` + "`" + `users` + "`" + ` (username COLLATE NOCASE)",
+				"CREATE UNIQUE INDEX ` + "`" + `__pb_users_auth__email_idx` + "`" + ` ON ` + "`" + `users` + "`" + ` (` + "`" + `email` + "`" + `) WHERE ` + "`" + `email` + "`" + ` != ''",
+				"CREATE UNIQUE INDEX ` + "`" + `__pb_users_auth__tokenKey_idx` + "`" + ` ON ` + "`" + `users` + "`" + ` (` + "`" + `tokenKey` + "`" + `)"
+			]
+		}`), &collection); err != nil {
+			return err
+		}
+
+		// add field
+		if err := collection.Fields.AddMarshaledJSONAt(6, []byte(`{
+			"autogeneratePattern": "users[0-9]{6}",
+			"hidden": false,
+			"id": "text4166911607",
+			"max": 150,
+			"min": 3,
+			"name": "username",
+			"pattern": "^[\\w][\\w\\.\\-]*$",
+			"presentable": false,
+			"primaryKey": false,
+			"required": true,
+			"system": false,
+			"type": "text"
+		}`)); err != nil {
+			return err
+		}
+
+		// update field
+		if err := collection.Fields.AddMarshaledJSONAt(3, []byte(`{
+			"exceptDomains": null,
+			"hidden": false,
+			"id": "email3885137012",
+			"name": "email",
+			"onlyDomains": null,
+			"presentable": false,
+			"required": false,
+			"system": true,
+			"type": "email"
+		}`)); err != nil {
+			return err
+		}
+
+		return app.Save(collection)
+	})
+}