diff --git a/docs/v2/accounting/index.html b/docs/v2/accounting/index.html
index 2337d4ad..64cf39ff 100644
--- a/docs/v2/accounting/index.html
+++ b/docs/v2/accounting/index.html
@@ -6338,7 +6338,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Accounting"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Accounting"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="Accounting"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="Accounting"><a href="#api-Accounting">Methods</a></li>
               <li data-group="Accounting" data-name="createAccount" class="">
                 <a href="#api-Accounting-createAccount">createAccount</a>
diff --git a/docs/v2/appstore/index.html b/docs/v2/appstore/index.html
index b39c6edc..958c5110 100644
--- a/docs/v2/appstore/index.html
+++ b/docs/v2/appstore/index.html
@@ -1240,7 +1240,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="AppStore"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="AppStore"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="AppStore"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="AppStore"><a href="#api-AppStore">Methods</a></li>
               <li data-group="AppStore" data-name="getSubscription" class="">
                 <a href="#api-AppStore-getSubscription">getSubscription</a>
diff --git a/docs/v2/assets/index.html b/docs/v2/assets/index.html
index 860f5cac..2edfc214 100644
--- a/docs/v2/assets/index.html
+++ b/docs/v2/assets/index.html
@@ -1391,7 +1391,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Asset"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Asset"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="Asset"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="Asset"><a href="#api-Asset">Methods</a></li>
               <li data-group="Asset" data-name="createAsset" class="">
                 <a href="#api-Asset-createAsset">createAsset</a>
diff --git a/docs/v2/files/index.html b/docs/v2/files/index.html
index 3be5eace..ee9c0c65 100644
--- a/docs/v2/files/index.html
+++ b/docs/v2/files/index.html
@@ -1169,7 +1169,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Files"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Files"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="Files"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="Files"><a href="#api-Files">Methods</a></li>
               <li data-group="Files" data-name="createFileAssociation" class="">
                 <a href="#api-Files-createFileAssociation">createFileAssociation</a>
diff --git a/docs/v2/finance/index.html b/docs/v2/finance/index.html
index a81fa314..dd1f755c 100644
--- a/docs/v2/finance/index.html
+++ b/docs/v2/finance/index.html
@@ -2715,7 +2715,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Finance"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Finance"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="Finance"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="Finance"><a href="#api-Finance">Methods</a></li>
               <li data-group="Finance" data-name="getAccountingActivityAccountUsage" class="">
                 <a href="#api-Finance-getAccountingActivityAccountUsage">getAccountingActivityAccountUsage</a>
diff --git a/docs/v2/payroll_au/index.html b/docs/v2/payroll_au/index.html
index 81b70396..95de6eb9 100644
--- a/docs/v2/payroll_au/index.html
+++ b/docs/v2/payroll_au/index.html
@@ -3411,7 +3411,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollAu"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollAu"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="PayrollAu"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="PayrollAu"><a href="#api-PayrollAu">Methods</a></li>
               <li data-group="PayrollAu" data-name="approveLeaveApplication" class="">
                 <a href="#api-PayrollAu-approveLeaveApplication">approveLeaveApplication</a>
diff --git a/docs/v2/payroll_nz/index.html b/docs/v2/payroll_nz/index.html
index 5eec15fc..5b654265 100644
--- a/docs/v2/payroll_nz/index.html
+++ b/docs/v2/payroll_nz/index.html
@@ -4086,7 +4086,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollNz"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollNz"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="PayrollNz"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="PayrollNz"><a href="#api-PayrollNz">Methods</a></li>
               <li data-group="PayrollNz" data-name="approveTimesheet" class="">
                 <a href="#api-PayrollNz-approveTimesheet">approveTimesheet</a>
diff --git a/docs/v2/payroll_uk/index.html b/docs/v2/payroll_uk/index.html
index b5808593..bcaf9885 100644
--- a/docs/v2/payroll_uk/index.html
+++ b/docs/v2/payroll_uk/index.html
@@ -1381,7 +1381,7 @@
     "earningsType" : {
       "type" : "string",
       "description" : "Indicates how an employee will be paid when taking this type of earning",
-      "enum" : [ "Allowance", "BackPay", "Bonus", "Commission", "LumpSum", "OtherEarnings", "OvertimeEarnings", "RegularEarnings", "StatutoryAdoptionPay", "StatutoryAdoptionPayNonPensionable", "StatutoryBereavementPay", "StatutoryMaternityPay", "StatutoryMaternityPayNonPensionable", "StatutoryPaternityPay", "StatutoryPaternityPayNonPensionable", "StatutoryParentalBereavementPayNonPensionable", "StatutorySharedParentalPay", "StatutorySharedParentalPayNonPensionable", "StatutorySickPay", "StatutorySickPayNonPensionable", "TipsNonDirect", "TipsDirect", "TerminationPay" ]
+      "enum" : [ "Allowance", "BackPay", "Bonus", "Commission", "LumpSum", "OtherEarnings", "OvertimeEarnings", "RegularEarnings", "StatutoryAdoptionPay", "StatutoryAdoptionPayNonPensionable", "StatutoryBereavementPay", "StatutoryMaternityPay", "StatutoryMaternityPayNonPensionable", "StatutoryPaternityPay", "StatutoryPaternityPayNonPensionable", "StatutoryParentalBereavementPayNonPensionable", "StatutorySharedParentalPay", "StatutorySharedParentalPayNonPensionable", "StatutorySickPay", "StatutorySickPayNonPensionable", "TipsNonDirect", "TipsDirect", "TerminationPay", "StatutoryNeonatalCarePay", "StatutoryNeonatalCarePayNonPensionable" ]
     },
     "rateType" : {
       "type" : "string",
@@ -3516,7 +3516,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollUk"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollUk"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="PayrollUk"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="PayrollUk"><a href="#api-PayrollUk">Methods</a></li>
               <li data-group="PayrollUk" data-name="approveTimesheet" class="">
                 <a href="#api-PayrollUk-approveTimesheet">approveTimesheet</a>
diff --git a/docs/v2/projects/index.html b/docs/v2/projects/index.html
index d5674c61..89dde7dc 100644
--- a/docs/v2/projects/index.html
+++ b/docs/v2/projects/index.html
@@ -1461,7 +1461,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Project"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Project"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="Project"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="Project"><a href="#api-Project">Methods</a></li>
               <li data-group="Project" data-name="createProject" class="">
                 <a href="#api-Project-createProject">createProject</a>
diff --git a/lib/Api/AccountingApi.php b/lib/Api/AccountingApi.php
index 14c4644e..14945bb3 100644
--- a/lib/Api/AccountingApi.php
+++ b/lib/Api/AccountingApi.php
@@ -14,7 +14,7 @@
  *
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
- * OpenAPI spec version: 7.0.0
+ * OpenAPI spec version: 7.1.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/AppStoreApi.php b/lib/Api/AppStoreApi.php
index d451d92e..bfe2a12b 100644
--- a/lib/Api/AppStoreApi.php
+++ b/lib/Api/AppStoreApi.php
@@ -14,7 +14,7 @@
  *
  * These endpoints are for Xero Partners to interact with the App Store Billing platform
  *
- * OpenAPI spec version: 7.0.0
+ * OpenAPI spec version: 7.1.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/AssetApi.php b/lib/Api/AssetApi.php
index 2b0a9002..9894e905 100644
--- a/lib/Api/AssetApi.php
+++ b/lib/Api/AssetApi.php
@@ -14,7 +14,7 @@
  *
  * The Assets API exposes fixed asset related functions of the Xero Accounting application and can be used for a variety of purposes such as creating assets, retrieving asset valuations etc.
  *
- * OpenAPI spec version: 7.0.0
+ * OpenAPI spec version: 7.1.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/FilesApi.php b/lib/Api/FilesApi.php
index d907b2f8..a3aad0d7 100644
--- a/lib/Api/FilesApi.php
+++ b/lib/Api/FilesApi.php
@@ -14,7 +14,7 @@
  *
  * These endpoints are specific to Xero Files API
  *
- * OpenAPI spec version: 7.0.0
+ * OpenAPI spec version: 7.1.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/FinanceApi.php b/lib/Api/FinanceApi.php
index 2dc825b7..76653c80 100644
--- a/lib/Api/FinanceApi.php
+++ b/lib/Api/FinanceApi.php
@@ -14,7 +14,7 @@
  *
  * The Finance API is a collection of endpoints which customers can use in the course of a loan application, which may assist lenders to gain the confidence they need to provide capital.
  *
- * OpenAPI spec version: 7.0.0
+ * OpenAPI spec version: 7.1.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/IdentityApi.php b/lib/Api/IdentityApi.php
index 5f560117..b466d5ed 100644
--- a/lib/Api/IdentityApi.php
+++ b/lib/Api/IdentityApi.php
@@ -14,7 +14,7 @@
  *
  * These endpoints are related to managing authentication tokens and identity for Xero API
  *
- * OpenAPI spec version: 7.0.0
+ * OpenAPI spec version: 7.1.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/PayrollAuApi.php b/lib/Api/PayrollAuApi.php
index 18846378..0f709ccc 100644
--- a/lib/Api/PayrollAuApi.php
+++ b/lib/Api/PayrollAuApi.php
@@ -14,7 +14,7 @@
  *
  * This is the Xero Payroll API for orgs in Australia region.
  *
- * OpenAPI spec version: 7.0.0
+ * OpenAPI spec version: 7.1.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/PayrollNzApi.php b/lib/Api/PayrollNzApi.php
index fcebd92b..dd175e61 100644
--- a/lib/Api/PayrollNzApi.php
+++ b/lib/Api/PayrollNzApi.php
@@ -14,7 +14,7 @@
  *
  * This is the Xero Payroll API for orgs in the NZ region.
  *
- * OpenAPI spec version: 7.0.0
+ * OpenAPI spec version: 7.1.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/PayrollUkApi.php b/lib/Api/PayrollUkApi.php
index 207c4357..3a499f60 100644
--- a/lib/Api/PayrollUkApi.php
+++ b/lib/Api/PayrollUkApi.php
@@ -14,7 +14,7 @@
  *
  * This is the Xero Payroll API for orgs in the UK region.
  *
- * OpenAPI spec version: 7.0.0
+ * OpenAPI spec version: 7.1.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Api/ProjectApi.php b/lib/Api/ProjectApi.php
index 9b2b0439..838e080c 100644
--- a/lib/Api/ProjectApi.php
+++ b/lib/Api/ProjectApi.php
@@ -14,7 +14,7 @@
  *
  * This is the Xero Projects API
  *
- * OpenAPI spec version: 7.0.0
+ * OpenAPI spec version: 7.1.0
  * Contact: api@xero.com
  * Generated by: https://openapi-generator.tech
  * OpenAPI Generator version: 5.4.0
diff --git a/lib/Configuration.php b/lib/Configuration.php
index 1ab7dc36..725f2188 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -157,7 +157,7 @@ class Configuration
      *
      * @var string
      */
-    protected $userAgent = '[xero-php-oauth2 (8.0.0)]';
+    protected $userAgent = '[xero-php-oauth2 (8.1.0)]';
 
     /**
      * Debug switch (default set to false)
@@ -696,8 +696,8 @@ public static function toDebugReport()
         $report  = 'PHP SDK (XeroAPI\XeroPHP) Debug Report:' . PHP_EOL;
         $report .= '    OS: ' . php_uname() . PHP_EOL;
         $report .= '    PHP Version: ' . PHP_VERSION . PHP_EOL;
-        $report .= '    OpenAPI Spec Version: 7.0.0' . PHP_EOL;
-        $report .= '    SDK Package Version: 8.0.0' . PHP_EOL;
+        $report .= '    OpenAPI Spec Version: 7.1.0' . PHP_EOL;
+        $report .= '    SDK Package Version: 8.1.0' . PHP_EOL;
         $report .= '    Temp Folder Path: ' . self::getDefaultConfiguration()->getTempFolderPath() . PHP_EOL;
 
         return $report;
diff --git a/lib/Models/PayrollUk/EarningsRate.php b/lib/Models/PayrollUk/EarningsRate.php
index af01b262..ef0b17a0 100644
--- a/lib/Models/PayrollUk/EarningsRate.php
+++ b/lib/Models/PayrollUk/EarningsRate.php
@@ -227,6 +227,8 @@ public function getModelName()
     const EARNINGS_TYPE_TIPS_NON_DIRECT = 'TipsNonDirect';
     const EARNINGS_TYPE_TIPS_DIRECT = 'TipsDirect';
     const EARNINGS_TYPE_TERMINATION_PAY = 'TerminationPay';
+    const EARNINGS_TYPE_STATUTORY_NEONATAL_CARE_PAY = 'StatutoryNeonatalCarePay';
+    const EARNINGS_TYPE_STATUTORY_NEONATAL_CARE_PAY_NON_PENSIONABLE = 'StatutoryNeonatalCarePayNonPensionable';
     const RATE_TYPE_RATE_PER_UNIT = 'RatePerUnit';
     const RATE_TYPE_MULTIPLE_OF_ORDINARY_EARNINGS_RATE = 'MultipleOfOrdinaryEarningsRate';
     const RATE_TYPE_FIXED_AMOUNT = 'FixedAmount';
@@ -264,6 +266,8 @@ public function getEarningsTypeAllowableValues()
             self::EARNINGS_TYPE_TIPS_NON_DIRECT,
             self::EARNINGS_TYPE_TIPS_DIRECT,
             self::EARNINGS_TYPE_TERMINATION_PAY,
+            self::EARNINGS_TYPE_STATUTORY_NEONATAL_CARE_PAY,
+            self::EARNINGS_TYPE_STATUTORY_NEONATAL_CARE_PAY_NON_PENSIONABLE,
         ];
     }