diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 6b751208..a67037a3 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.22.0"
+  ".": "5.23.0"
 }
diff --git a/.stats.yml b/.stats.yml
index 33d3b469..49f0b44f 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 118
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/orb%2Forb-ef726ad139fa29757029206ee08150434fc6c52005fec6d42c7d2bcd3aa7ab47.yml
-openapi_spec_hash: e622beb7c26f9b0dd641bd5c92735a5b
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/orb%2Forb-faf1f7c723d2762f09e9690ef2ceda58cb0a6ddacf1a79c3754871b90e7db0dc.yml
+openapi_spec_hash: 22269f85fae1ec920bdb0b32435a7aa8
 config_hash: dd4343ce95871032ef6e0735a4ca038c
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 248f435b..d5727281 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 5.23.0 (2025-10-30)
+
+Full Changelog: [v5.22.0...v5.23.0](https://github.com/orbcorp/orb-node/compare/v5.22.0...v5.23.0)
+
+### Features
+
+* **api:** api update ([8fd53b3](https://github.com/orbcorp/orb-node/commit/8fd53b34b22be3f63bd6efb28854c1a4785851ed))
+
 ## 5.22.0 (2025-10-29)
 
 Full Changelog: [v5.21.0...v5.22.0](https://github.com/orbcorp/orb-node/compare/v5.21.0...v5.22.0)
diff --git a/package.json b/package.json
index e989baa0..bd54a71f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "orb-billing",
-  "version": "5.22.0",
+  "version": "5.23.0",
   "description": "The official TypeScript library for the Orb API",
   "author": "Orb <team@withorb.com>",
   "types": "dist/index.d.ts",
diff --git a/src/resources/invoices.ts b/src/resources/invoices.ts
index fe795c1d..16aa0fa6 100644
--- a/src/resources/invoices.ts
+++ b/src/resources/invoices.ts
@@ -16,12 +16,13 @@ export class Invoices extends APIResource {
   }
 
   /**
-   * This endpoint allows you to update the `metadata`, `net_terms`, and `due_date`
-   * properties on an invoice. If you pass null for the metadata value, it will clear
-   * any existing metadata for that invoice.
+   * This endpoint allows you to update the `metadata`, `net_terms`, `due_date`, and
+   * `invoice_date` properties on an invoice. If you pass null for the metadata
+   * value, it will clear any existing metadata for that invoice.
    *
-   * `metadata` can be modified regardless of invoice state. `net_terms` and
-   * `due_date` can only be modified if the invoice is in a `draft` state.
+   * `metadata` can be modified regardless of invoice state. `net_terms`, `due_date`,
+   * and `invoice_date` can only be modified if the invoice is in a `draft` state.
+   * `invoice_date` can only be modified for non-subscription invoices.
    */
   update(
     invoiceId: string,
@@ -862,6 +863,11 @@ export interface InvoiceUpdateParams {
    */
   due_date?: (string & {}) | (string & {}) | null;
 
+  /**
+   * The date of the invoice. Can only be modified for one-off draft invoices.
+   */
+  invoice_date?: (string & {}) | (string & {}) | null;
+
   /**
    * User-specified key/value pairs for the resource. Individual keys can be removed
    * by setting the value to `null`, and the entire metadata mapping can be cleared
diff --git a/src/version.ts b/src/version.ts
index d4d00cb2..2196b69b 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '5.22.0'; // x-release-please-version
+export const VERSION = '5.23.0'; // x-release-please-version