diff --git a/CHANGELOG.md b/CHANGELOG.md
index 309ec78..3556cab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 - support Telegram API 6.9
 - **Breaking** Updated function `telegram:Telegram.sendDice` and function `teledart:Message.replyDice` to accept enum of `DiceEmoji` instead of emoji string
-- **Breaking** Updated class `Dice`, `InlineQueryResult`, `MenuButton` to use enum for `type`
+- **Breaking** Updated class `Dice`, `InlineQueryResult`, `MenuButton`, `PassportElementError` to use enum for `type`
 
 ## 0.6.1
 
diff --git a/lib/src/telegram/models/passport_element_error.dart b/lib/src/telegram/models/passport_element_error.dart
index 5e3befb..0ce5fb8 100644
--- a/lib/src/telegram/models/passport_element_error.dart
+++ b/lib/src/telegram/models/passport_element_error.dart
@@ -18,6 +18,36 @@
 
 part of '../model.dart';
 
+@JsonEnum()
+enum PassportElementErrorType {
+  @JsonValue('personal_details')
+  personalDetails,
+  @JsonValue('passport')
+  passport,
+  @JsonValue('driver_license')
+  driverLicense,
+  @JsonValue('identity_card')
+  identityCard,
+  @JsonValue('internal_passport')
+  internalPassport,
+  @JsonValue('address')
+  address,
+  @JsonValue('utility_bill')
+  utilityBill,
+  @JsonValue('bank_statement')
+  bankStatement,
+  @JsonValue('rental_agreement')
+  rentalAgreement,
+  @JsonValue('passport_registration')
+  passportRegistration,
+  @JsonValue('temporary_registration')
+  temporaryRegistration,
+}
+
+extension PassportElementErrorTypeExtenson on PassportElementErrorType {
+  String value() => _$PassportElementErrorTypeEnumMap[this]!;
+}
+
 /// This object represents an error in the Telegram Passport element which was submitted that should be resolved by the user.
 ///
 /// It should be one of:
@@ -34,15 +64,8 @@ part of '../model.dart';
 /// https://core.telegram.org/bots/api#passportelementerror
 @JsonSerializable(fieldRename: FieldRename.snake)
 class PassportElementError {
-  static const typePersonalDetails = 'personal_details';
-  static const typePassport = 'passport';
-  static const typeDriverLicense = 'driver_license';
-  static const typeIdentityCard = 'identity_card';
-  static const typeInternalPassport = 'internal_passport';
-  static const typeAddress = 'address';
-
   String source;
-  String type;
+  PassportElementErrorType type;
   String message;
   PassportElementError({
     required this.source,
diff --git a/lib/src/telegram/models/passport_element_error_data_field.dart b/lib/src/telegram/models/passport_element_error_data_field.dart
index bf1f3dd..504aedf 100644
--- a/lib/src/telegram/models/passport_element_error_data_field.dart
+++ b/lib/src/telegram/models/passport_element_error_data_field.dart
@@ -28,7 +28,7 @@ class PassportElementErrorDataField implements PassportElementError {
   @override
   String source;
   @override
-  String type;
+  PassportElementErrorType type;
   @override
   String message;
   String fieldName;
diff --git a/lib/src/telegram/models/passport_element_error_file.dart b/lib/src/telegram/models/passport_element_error_file.dart
index e223ca5..5842b63 100644
--- a/lib/src/telegram/models/passport_element_error_file.dart
+++ b/lib/src/telegram/models/passport_element_error_file.dart
@@ -28,7 +28,7 @@ class PassportElementErrorFile implements PassportElementError {
   @override
   String source;
   @override
-  String type;
+  PassportElementErrorType type;
   @override
   String message;
   String fileHash;
diff --git a/lib/src/telegram/models/passport_element_error_files.dart b/lib/src/telegram/models/passport_element_error_files.dart
index 8bb8ffa..d1da681 100644
--- a/lib/src/telegram/models/passport_element_error_files.dart
+++ b/lib/src/telegram/models/passport_element_error_files.dart
@@ -28,7 +28,7 @@ class PassportElementErrorFiles implements PassportElementError {
   @override
   String source;
   @override
-  String type;
+  PassportElementErrorType type;
   @override
   String message;
   List<String> fileHashes;
diff --git a/lib/src/telegram/models/passport_element_error_front_side.dart b/lib/src/telegram/models/passport_element_error_front_side.dart
index 81a69ce..85f25bf 100644
--- a/lib/src/telegram/models/passport_element_error_front_side.dart
+++ b/lib/src/telegram/models/passport_element_error_front_side.dart
@@ -28,7 +28,7 @@ class PassportElementErrorFrontSide implements PassportElementError {
   @override
   String source;
   @override
-  String type;
+  PassportElementErrorType type;
   @override
   String message;
   String fileHash;
diff --git a/lib/src/telegram/models/passport_element_error_reverse_side.dart b/lib/src/telegram/models/passport_element_error_reverse_side.dart
index f5eeced..5e3c49d 100644
--- a/lib/src/telegram/models/passport_element_error_reverse_side.dart
+++ b/lib/src/telegram/models/passport_element_error_reverse_side.dart
@@ -28,7 +28,7 @@ class PassportElementErrorReverseSide implements PassportElementError {
   @override
   String source;
   @override
-  String type;
+  PassportElementErrorType type;
   @override
   String message;
   String fileHash;
diff --git a/lib/src/telegram/models/passport_element_error_selfie.dart b/lib/src/telegram/models/passport_element_error_selfie.dart
index 1e2ec03..4af63d2 100644
--- a/lib/src/telegram/models/passport_element_error_selfie.dart
+++ b/lib/src/telegram/models/passport_element_error_selfie.dart
@@ -28,7 +28,7 @@ class PassportElementErrorSelfie implements PassportElementError {
   @override
   String source;
   @override
-  String type;
+  PassportElementErrorType type;
   @override
   String message;
   String fileHash;
diff --git a/lib/src/telegram/models/passport_element_error_translation_file.dart b/lib/src/telegram/models/passport_element_error_translation_file.dart
index 5ece1b9..a25e002 100644
--- a/lib/src/telegram/models/passport_element_error_translation_file.dart
+++ b/lib/src/telegram/models/passport_element_error_translation_file.dart
@@ -28,7 +28,7 @@ class PassportElementErrorTranslationFile implements PassportElementError {
   @override
   String source;
   @override
-  String type;
+  PassportElementErrorType type;
   @override
   String message;
   String fileHash;
diff --git a/lib/src/telegram/models/passport_element_error_translation_files.dart b/lib/src/telegram/models/passport_element_error_translation_files.dart
index 98386e1..9ed2c60 100644
--- a/lib/src/telegram/models/passport_element_error_translation_files.dart
+++ b/lib/src/telegram/models/passport_element_error_translation_files.dart
@@ -28,7 +28,7 @@ class PassportElementErrorTranslationFiles implements PassportElementError {
   @override
   String source;
   @override
-  String type;
+  PassportElementErrorType type;
   @override
   String message;
   List<String> fileHashes;
diff --git a/lib/src/telegram/models/passport_element_error_unspecified.dart b/lib/src/telegram/models/passport_element_error_unspecified.dart
index 6b6b71f..811f0e8 100644
--- a/lib/src/telegram/models/passport_element_error_unspecified.dart
+++ b/lib/src/telegram/models/passport_element_error_unspecified.dart
@@ -28,7 +28,7 @@ class PassportElementErrorUnspecified implements PassportElementError {
   @override
   String source;
   @override
-  String type;
+  PassportElementErrorType type;
   @override
   String message;
   String elementHash;