diff --git a/xero-app-store.yaml b/xero-app-store.yaml
index 8067acccc..c1d7025e6 100644
--- a/xero-app-store.yaml
+++ b/xero-app-store.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: 8.3.0
+  version: 9.0.0
   title: Xero AppStore API
   description: These endpoints are for Xero Partners to interact with the App Store Billing platform
   termsOfService: https://developer.xero.com/xero-developer-platform-terms-conditions/
diff --git a/xero-finance.yaml b/xero-finance.yaml
index d521df305..ece96be5b 100644
--- a/xero-finance.yaml
+++ b/xero-finance.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: 8.3.0
+  version: 9.0.0
   title: Xero Finance API
   description: 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.
   termsOfService: https://developer.xero.com/xero-developer-platform-terms-conditions/
diff --git a/xero-identity.yaml b/xero-identity.yaml
index 6e532feb1..f7eaf162e 100644
--- a/xero-identity.yaml
+++ b/xero-identity.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: 8.3.0
+  version: 9.0.0
   title: Xero OAuth 2 Identity Service API
   description: These endpoints are related to managing authentication tokens and identity for Xero API
   termsOfService: https://developer.xero.com/xero-developer-platform-terms-conditions/
diff --git a/xero-payroll-au.yaml b/xero-payroll-au.yaml
index 67c0c5b09..f7b39e691 100644
--- a/xero-payroll-au.yaml
+++ b/xero-payroll-au.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: 8.3.0
+  version: 9.0.0
   title: Xero Payroll AU API
   description: This is the Xero Payroll API for orgs in Australia region.
   termsOfService: "https://developer.xero.com/xero-developer-platform-terms-conditions/"
diff --git a/xero-payroll-nz.yaml b/xero-payroll-nz.yaml
index 1e3ab79ca..48df29bb9 100644
--- a/xero-payroll-nz.yaml
+++ b/xero-payroll-nz.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: 8.3.0
+  version: 9.0.0
   title: 'Xero Payroll NZ'
   description: 'This is the Xero Payroll API for orgs in the NZ region.'
   termsOfService: "https://developer.xero.com/xero-developer-platform-terms-conditions/"
diff --git a/xero-payroll-uk.yaml b/xero-payroll-uk.yaml
index ef559ecdd..b08510295 100644
--- a/xero-payroll-uk.yaml
+++ b/xero-payroll-uk.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: 8.3.0
+  version: 9.0.0
   title: 'Xero Payroll UK'
   description: 'This is the Xero Payroll API for orgs in the UK region.'
   termsOfService: "https://developer.xero.com/xero-developer-platform-terms-conditions/"
diff --git a/xero-projects.yaml b/xero-projects.yaml
index 162e31eef..991bec93a 100644
--- a/xero-projects.yaml
+++ b/xero-projects.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: "8.3.0"
+  version: "9.0.0"
   title: Xero Projects API
   description: This is the Xero Projects API
   termsOfService: https://developer.xero.com/xero-developer-platform-terms-conditions/
diff --git a/xero_accounting.yaml b/xero_accounting.yaml
index 02a1bdf3d..158806bfc 100644
--- a/xero_accounting.yaml
+++ b/xero_accounting.yaml
@@ -1,7 +1,7 @@
 openapi: 3.0.0
 info:
   title: Xero Accounting API
-  version: 8.3.0
+  version: 9.0.0
   termsOfService: https://developer.xero.com/xero-developer-platform-terms-conditions/
   contact:
     name: Xero Platform Team
diff --git a/xero_assets.yaml b/xero_assets.yaml
index b57214899..b207f6b8f 100644
--- a/xero_assets.yaml
+++ b/xero_assets.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: 8.3.0
+  version: 9.0.0
   title: Xero Assets API
   description: 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.
   termsOfService: https://developer.xero.com/xero-developer-platform-terms-conditions/
diff --git a/xero_bankfeeds.yaml b/xero_bankfeeds.yaml
index d9d69d0b2..d212c06b5 100644
--- a/xero_bankfeeds.yaml
+++ b/xero_bankfeeds.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: 8.3.0
+  version: 9.0.0
   title: Xero Bank Feeds API
   description: The Bank Feeds API is a closed API that is only available to financial institutions that have an established financial services partnership with Xero. If you're an existing financial services partner that wants access, contact your local Partner Manager. If you're a financial institution who wants to provide bank feeds to your business customers, contact us to become a financial services partner.
   termsOfService: https://developer.xero.com/xero-developer-platform-terms-conditions/
diff --git a/xero_files.yaml b/xero_files.yaml
index f57fd820c..430490f38 100644
--- a/xero_files.yaml
+++ b/xero_files.yaml
@@ -4,7 +4,7 @@ servers:
     url: https://api.xero.com/files.xro/1.0/
 info:
   title: Xero Files API
-  version: 8.3.0
+  version: 9.0.0
   description: These endpoints are specific to Xero Files API
   termsOfService: https://developer.xero.com/xero-developer-platform-terms-conditions/
   contact: