diff --git a/Gemfile.lock b/Gemfile.lock
index b426488..e2735a0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    payjpv2 (1.0.9)
+    payjpv2 (1.0.10)
       typhoeus (~> 1.0, >= 1.0.1)
 
 GEM
diff --git a/README.md b/README.md
index 7a68dbe..9381c6b 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ A Ruby client library for the PAY.JP v2 API. This SDK provides a convenient way
 This Ruby gem is automatically generated by the [OpenAPI Generator](https://openapi-generator.tech) project:
 
 - API version: 2.0.0
-- Package version: 1.0.9
+- Package version: 1.0.10
 - Generator version: 7.14.0
 - Build package: org.openapitools.codegen.languages.RubyClientCodegen
 
@@ -26,7 +26,7 @@ gem install payjpv2
 Add this line to your application's Gemfile:
 
 ```ruby
-gem 'payjpv2', '~> 1.0.9'
+gem 'payjpv2', '~> 1.0.10'
 ```
 
 Then execute:
diff --git a/docs/CheckoutSessionPaymentMethodOptionsCardRequest.md b/docs/CheckoutSessionPaymentMethodOptionsCardRequest.md
index 5b12afd..068a900 100644
--- a/docs/CheckoutSessionPaymentMethodOptionsCardRequest.md
+++ b/docs/CheckoutSessionPaymentMethodOptionsCardRequest.md
@@ -4,7 +4,7 @@
 
 | Name | Type | Description | Notes |
 | ---- | ---- | ----------- | ----- |
-| **request_extended_authorization** | **String** | オーソリ期間の延長要求  | 指定できる値 | |:---| | **if_available**: オーソリ期間の延長が可能な場合に延長要求を行います。 | | **never**: オーソリ期間の延長要求を行いません。 | | [optional] |
+| **request_extended_authorization** | **String** | オーソリ期間の延長要求  | 指定できる値 | |:---| | **if_available**: オーソリ期間の延長が可能な場合に延長要求を行います。 | | **must_extend**: オーソリ期間の延長を必須とします。延長できない場合はエラーを返します。 | | **never**: オーソリ期間の延長要求を行いません。 | | [optional] |
 | **request_three_d_secure** | **String** | 3D セキュア認証の要求方法  | 指定できる値 | |:---| | **any**: 3D セキュア認証を要求します。 | | **automatic**: 必要な場合にのみ 3D セキュア認証を要求します。 | | [optional] |
 
 ## Example
diff --git a/docs/PaymentFlowPaymentMethodOptionsCardRequest.md b/docs/PaymentFlowPaymentMethodOptionsCardRequest.md
index 0490f22..bd6a62d 100644
--- a/docs/PaymentFlowPaymentMethodOptionsCardRequest.md
+++ b/docs/PaymentFlowPaymentMethodOptionsCardRequest.md
@@ -4,7 +4,7 @@
 
 | Name | Type | Description | Notes |
 | ---- | ---- | ----------- | ----- |
-| **request_extended_authorization** | **String** | オーソリ期間の延長要求  | 値 | |:---| | **if_available**: オーソリ期間の延長が可能な場合に延長要求を行います。 | | **never**: オーソリ期間の延長要求を行いません。 | | [optional] |
+| **request_extended_authorization** | **String** | オーソリ期間の延長要求  | 値 | |:---| | **if_available**: オーソリ期間の延長が可能な場合に延長要求を行います。 | | **must_extend**: オーソリ期間の延長を必須とします。延長できない場合はエラーを返します。 | | **never**: オーソリ期間の延長要求を行いません。 | | [optional] |
 | **request_three_d_secure** | **String** | 3D セキュア認証の要求方法。  | 値 | |:---| | **any**: 3D セキュア認証を要求します。 | | **automatic**: 必要な場合にのみ 3D セキュア認証を要求します。 |  | [optional] |
 
 ## Example
diff --git a/docs/PaymentFlowResponse.md b/docs/PaymentFlowResponse.md
index 5f8fd95..5652f2b 100644
--- a/docs/PaymentFlowResponse.md
+++ b/docs/PaymentFlowResponse.md
@@ -24,6 +24,7 @@
 | **last_payment_error** | **Hash<String, Object>** |  |  |
 | **cancellation_reason** | [**PaymentFlowCancellationReason**](PaymentFlowCancellationReason.md) |  |  |
 | **canceled_at** | **Time** |  |  |
+| **expired_at** | **Time** |  | [optional] |
 | **metadata** | [**Hash<String, MetadataValue>**](MetadataValue.md) | メタデータ |  |
 | **created_at** | **Time** | 作成日時 (UTC, ISO 8601 形式) |  |
 | **updated_at** | **Time** | 更新日時 (UTC, ISO 8601 形式) |  |
@@ -54,6 +55,7 @@ instance = PAYJPv2::PaymentFlowResponse.new(
   last_payment_error: null,
   cancellation_reason: null,
   canceled_at: null,
+  expired_at: null,
   metadata: null,
   created_at: null,
   updated_at: null
diff --git a/lib/payjpv2/models/checkout_session_payment_method_options_card_request.rb b/lib/payjpv2/models/checkout_session_payment_method_options_card_request.rb
index 421cf3a..202994e 100644
--- a/lib/payjpv2/models/checkout_session_payment_method_options_card_request.rb
+++ b/lib/payjpv2/models/checkout_session_payment_method_options_card_request.rb
@@ -15,7 +15,7 @@
 
 module PAYJPv2
   class CheckoutSessionPaymentMethodOptionsCardRequest
-    # オーソリ期間の延長要求  | 指定できる値 | |:---| | **if_available**: オーソリ期間の延長が可能な場合に延長要求を行います。 | | **never**: オーソリ期間の延長要求を行いません。 |
+    # オーソリ期間の延長要求  | 指定できる値 | |:---| | **if_available**: オーソリ期間の延長が可能な場合に延長要求を行います。 | | **must_extend**: オーソリ期間の延長を必須とします。延長できない場合はエラーを返します。 | | **never**: オーソリ期間の延長要求を行いません。 |
     attr_accessor :request_extended_authorization
 
     # 3D セキュア認証の要求方法  | 指定できる値 | |:---| | **any**: 3D セキュア認証を要求します。 | | **automatic**: 必要な場合にのみ 3D セキュア認証を要求します。 |
@@ -103,7 +103,7 @@ def initialize(attributes = {})
     # Custom attribute writer method checking allowed values (enum).
     # @param [Object] request_extended_authorization Object to be assigned
     def request_extended_authorization=(request_extended_authorization)
-      validator = EnumAttributeValidator.new('String', ["if_available", "never"])
+      validator = EnumAttributeValidator.new('String', ["if_available", "must_extend", "never"])
       unless validator.valid?(request_extended_authorization)
         raise ArgumentError, "invalid value for \"request_extended_authorization\", must be one of #{validator.allowable_values}."
       end
diff --git a/lib/payjpv2/models/payment_flow_payment_method_options_card_request.rb b/lib/payjpv2/models/payment_flow_payment_method_options_card_request.rb
index ab81bbc..8765c47 100644
--- a/lib/payjpv2/models/payment_flow_payment_method_options_card_request.rb
+++ b/lib/payjpv2/models/payment_flow_payment_method_options_card_request.rb
@@ -15,7 +15,7 @@
 
 module PAYJPv2
   class PaymentFlowPaymentMethodOptionsCardRequest
-    # オーソリ期間の延長要求  | 値 | |:---| | **if_available**: オーソリ期間の延長が可能な場合に延長要求を行います。 | | **never**: オーソリ期間の延長要求を行いません。 |
+    # オーソリ期間の延長要求  | 値 | |:---| | **if_available**: オーソリ期間の延長が可能な場合に延長要求を行います。 | | **must_extend**: オーソリ期間の延長を必須とします。延長できない場合はエラーを返します。 | | **never**: オーソリ期間の延長要求を行いません。 |
     attr_accessor :request_extended_authorization
 
     # 3D セキュア認証の要求方法。  | 値 | |:---| | **any**: 3D セキュア認証を要求します。 | | **automatic**: 必要な場合にのみ 3D セキュア認証を要求します。 | 
@@ -103,7 +103,7 @@ def initialize(attributes = {})
     # Custom attribute writer method checking allowed values (enum).
     # @param [Object] request_extended_authorization Object to be assigned
     def request_extended_authorization=(request_extended_authorization)
-      validator = EnumAttributeValidator.new('String', ["if_available", "never"])
+      validator = EnumAttributeValidator.new('String', ["if_available", "must_extend", "never"])
       unless validator.valid?(request_extended_authorization)
         raise ArgumentError, "invalid value for \"request_extended_authorization\", must be one of #{validator.allowable_values}."
       end
diff --git a/lib/payjpv2/models/payment_flow_response.rb b/lib/payjpv2/models/payment_flow_response.rb
index 89bea5f..28e54b9 100644
--- a/lib/payjpv2/models/payment_flow_response.rb
+++ b/lib/payjpv2/models/payment_flow_response.rb
@@ -63,6 +63,8 @@ class PaymentFlowResponse
 
     attr_accessor :canceled_at
 
+    attr_accessor :expired_at
+
     # メタデータ
     attr_accessor :metadata
 
@@ -117,6 +119,7 @@ def self.attribute_map
         :last_payment_error => :last_payment_error,
         :cancellation_reason => :cancellation_reason,
         :canceled_at => :canceled_at,
+        :expired_at => :expired_at,
         :metadata => :metadata,
         :created_at => :created_at,
         :updated_at => :updated_at
@@ -156,6 +159,7 @@ def self.openapi_types
         :last_payment_error => :'Hash<String, Object>',
         :cancellation_reason => :'PaymentFlowCancellationReason',
         :canceled_at => :'Time',
+        :expired_at => :'Time',
         :metadata => :'Hash<String, MetadataValue>',
         :created_at => :'Time',
         :updated_at => :'Time'
@@ -176,6 +180,7 @@ def self.openapi_nullable
         :last_payment_error,
         :cancellation_reason,
         :canceled_at,
+        :expired_at,
       ])
     end
 
@@ -323,6 +328,10 @@ def initialize(attributes = {})
         self.canceled_at = nil
       end
 
+      if attributes.key?(:expired_at)
+        self.expired_at = attributes[:expired_at]
+      end
+
       if attributes.key?(:metadata)
         if (value = attributes[:metadata]).is_a?(Hash)
           self.metadata = value
@@ -489,6 +498,7 @@ def ==(o)
           last_payment_error == o.last_payment_error &&
           cancellation_reason == o.cancellation_reason &&
           canceled_at == o.canceled_at &&
+          expired_at == o.expired_at &&
           metadata == o.metadata &&
           created_at == o.created_at &&
           updated_at == o.updated_at
@@ -503,7 +513,7 @@ def eql?(o)
     # Calculates hash code according to all attributes.
     # @return [Integer] Hash code
     def hash
-      [object, id, livemode, amount, currency, amount_capturable, amount_received, client_secret, customer_id, description, payment_method_id, payment_method_options, payment_method_types, status, next_action, return_url, capture_method, last_payment_error, cancellation_reason, canceled_at, metadata, created_at, updated_at].hash
+      [object, id, livemode, amount, currency, amount_capturable, amount_received, client_secret, customer_id, description, payment_method_id, payment_method_options, payment_method_types, status, next_action, return_url, capture_method, last_payment_error, cancellation_reason, canceled_at, expired_at, metadata, created_at, updated_at].hash
     end
 
     # Builds the object from hash
diff --git a/lib/payjpv2/version.rb b/lib/payjpv2/version.rb
index 8c9d805..9ddaabf 100644
--- a/lib/payjpv2/version.rb
+++ b/lib/payjpv2/version.rb
@@ -11,5 +11,5 @@
 =end
 
 module PAYJPv2
-  VERSION = '1.0.9'
+  VERSION = '1.0.10'
 end
diff --git a/spec/models/checkout_session_payment_method_options_card_request_spec.rb b/spec/models/checkout_session_payment_method_options_card_request_spec.rb
index 059a108..7888cb3 100644
--- a/spec/models/checkout_session_payment_method_options_card_request_spec.rb
+++ b/spec/models/checkout_session_payment_method_options_card_request_spec.rb
@@ -30,7 +30,7 @@
   describe 'test attribute "request_extended_authorization"' do
     it 'should work' do
       # assertion here. ref: https://rspec.info/features/3-12/rspec-expectations/built-in-matchers/
-      # validator = Petstore::EnumTest::EnumAttributeValidator.new('String', ["if_available", "never"])
+      # validator = Petstore::EnumTest::EnumAttributeValidator.new('String', ["if_available", "must_extend", "never"])
       # validator.allowable_values.each do |value|
       #   expect { instance.request_extended_authorization = value }.not_to raise_error
       # end
diff --git a/spec/models/payment_flow_payment_method_options_card_request_spec.rb b/spec/models/payment_flow_payment_method_options_card_request_spec.rb
index db019a9..97d6ad5 100644
--- a/spec/models/payment_flow_payment_method_options_card_request_spec.rb
+++ b/spec/models/payment_flow_payment_method_options_card_request_spec.rb
@@ -30,7 +30,7 @@
   describe 'test attribute "request_extended_authorization"' do
     it 'should work' do
       # assertion here. ref: https://rspec.info/features/3-12/rspec-expectations/built-in-matchers/
-      # validator = Petstore::EnumTest::EnumAttributeValidator.new('String', ["if_available", "never"])
+      # validator = Petstore::EnumTest::EnumAttributeValidator.new('String', ["if_available", "must_extend", "never"])
       # validator.allowable_values.each do |value|
       #   expect { instance.request_extended_authorization = value }.not_to raise_error
       # end
diff --git a/spec/models/payment_flow_response_spec.rb b/spec/models/payment_flow_response_spec.rb
index 8a3574d..95f1019 100644
--- a/spec/models/payment_flow_response_spec.rb
+++ b/spec/models/payment_flow_response_spec.rb
@@ -151,6 +151,12 @@
     end
   end
 
+  describe 'test attribute "expired_at"' do
+    it 'should work' do
+      # assertion here. ref: https://rspec.info/features/3-12/rspec-expectations/built-in-matchers/
+    end
+  end
+
   describe 'test attribute "metadata"' do
     it 'should work' do
       # assertion here. ref: https://rspec.info/features/3-12/rspec-expectations/built-in-matchers/