diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 522d95a7..b557a5b6 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.30.0"
+  ".": "5.31.0"
 }
diff --git a/.stats.yml b/.stats.yml
index a477a2c5..107688d5 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-145c6652d32a05c9305e4674643e2aa7d559073e48dc252d6c3c0fe802ce7ec6.yml
-openapi_spec_hash: 6bbbbe1687099b69faee47fda12bf82c
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/orb%2Forb-9e751a2aefff382af949380b5979a80cb02743eca1583cf5146325fb400ba87f.yml
+openapi_spec_hash: 219a1008f47d3293f64f1baebe2d6eb5
 config_hash: e6db17547fe854b1c240407cf4c6dc9e
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e1b2614b..31abe15d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 5.31.0 (2025-11-13)
+
+Full Changelog: [v5.30.0...v5.31.0](https://github.com/orbcorp/orb-node/compare/v5.30.0...v5.31.0)
+
+### Features
+
+* **api:** api update ([79d73aa](https://github.com/orbcorp/orb-node/commit/79d73aa9872c71117adb442e8439cae4fee05071))
+
 ## 5.30.0 (2025-11-07)
 
 Full Changelog: [v5.29.0...v5.30.0](https://github.com/orbcorp/orb-node/compare/v5.29.0...v5.30.0)
diff --git a/package.json b/package.json
index c2cab13a..c7764de0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "orb-billing",
-  "version": "5.30.0",
+  "version": "5.31.0",
   "description": "The official TypeScript library for the Orb API",
   "author": "Orb <team@withorb.com>",
   "types": "dist/index.d.ts",
diff --git a/src/resources/invoice-line-items.ts b/src/resources/invoice-line-items.ts
index 4f7b4ea7..7fabadec 100644
--- a/src/resources/invoice-line-items.ts
+++ b/src/resources/invoice-line-items.ts
@@ -64,11 +64,6 @@ export interface InvoiceLineItemCreateResponse {
    */
   credits_applied: string;
 
-  /**
-   * @deprecated This field is deprecated in favor of `adjustments`
-   */
-  discount: Shared.Discount | null;
-
   /**
    * The end date of the range of time applied for this line item's price.
    */
@@ -86,26 +81,6 @@ export interface InvoiceLineItemCreateResponse {
    */
   grouping: string | null;
 
-  /**
-   * @deprecated This field is deprecated in favor of `adjustments`.
-   */
-  maximum: Shared.Maximum | null;
-
-  /**
-   * @deprecated This field is deprecated in favor of `adjustments`.
-   */
-  maximum_amount: string | null;
-
-  /**
-   * @deprecated This field is deprecated in favor of `adjustments`.
-   */
-  minimum: Shared.Minimum | null;
-
-  /**
-   * @deprecated This field is deprecated in favor of `adjustments`.
-   */
-  minimum_amount: string | null;
-
   /**
    * The name of the price associated with this line item.
    */
diff --git a/src/resources/invoices.ts b/src/resources/invoices.ts
index 16aa0fa6..58c92578 100644
--- a/src/resources/invoices.ts
+++ b/src/resources/invoices.ts
@@ -617,11 +617,6 @@ export namespace InvoiceFetchUpcomingResponse {
      */
     credits_applied: string;
 
-    /**
-     * @deprecated This field is deprecated in favor of `adjustments`
-     */
-    discount: Shared.Discount | null;
-
     /**
      * The end date of the range of time applied for this line item's price.
      */
@@ -639,26 +634,6 @@ export namespace InvoiceFetchUpcomingResponse {
      */
     grouping: string | null;
 
-    /**
-     * @deprecated This field is deprecated in favor of `adjustments`.
-     */
-    maximum: Shared.Maximum | null;
-
-    /**
-     * @deprecated This field is deprecated in favor of `adjustments`.
-     */
-    maximum_amount: string | null;
-
-    /**
-     * @deprecated This field is deprecated in favor of `adjustments`.
-     */
-    minimum: Shared.Minimum | null;
-
-    /**
-     * @deprecated This field is deprecated in favor of `adjustments`.
-     */
-    minimum_amount: string | null;
-
     /**
      * The name of the price associated with this line item.
      */
diff --git a/src/resources/shared.ts b/src/resources/shared.ts
index e4b39cd2..f1008ee2 100644
--- a/src/resources/shared.ts
+++ b/src/resources/shared.ts
@@ -739,11 +739,6 @@ export namespace ChangedSubscriptionResources {
        */
       credits_applied: string;
 
-      /**
-       * @deprecated This field is deprecated in favor of `adjustments`
-       */
-      discount: Shared.Discount | null;
-
       /**
        * The end date of the range of time applied for this line item's price.
        */
@@ -761,26 +756,6 @@ export namespace ChangedSubscriptionResources {
        */
       grouping: string | null;
 
-      /**
-       * @deprecated This field is deprecated in favor of `adjustments`.
-       */
-      maximum: Shared.Maximum | null;
-
-      /**
-       * @deprecated This field is deprecated in favor of `adjustments`.
-       */
-      maximum_amount: string | null;
-
-      /**
-       * @deprecated This field is deprecated in favor of `adjustments`.
-       */
-      minimum: Shared.Minimum | null;
-
-      /**
-       * @deprecated This field is deprecated in favor of `adjustments`.
-       */
-      minimum_amount: string | null;
-
       /**
        * The name of the price associated with this line item.
        */
@@ -2009,11 +1984,6 @@ export namespace Invoice {
      */
     credits_applied: string;
 
-    /**
-     * @deprecated This field is deprecated in favor of `adjustments`
-     */
-    discount: Shared.Discount | null;
-
     /**
      * The end date of the range of time applied for this line item's price.
      */
@@ -2031,26 +2001,6 @@ export namespace Invoice {
      */
     grouping: string | null;
 
-    /**
-     * @deprecated This field is deprecated in favor of `adjustments`.
-     */
-    maximum: Shared.Maximum | null;
-
-    /**
-     * @deprecated This field is deprecated in favor of `adjustments`.
-     */
-    maximum_amount: string | null;
-
-    /**
-     * @deprecated This field is deprecated in favor of `adjustments`.
-     */
-    minimum: Shared.Minimum | null;
-
-    /**
-     * @deprecated This field is deprecated in favor of `adjustments`.
-     */
-    minimum_amount: string | null;
-
     /**
      * The name of the price associated with this line item.
      */
diff --git a/src/version.ts b/src/version.ts
index bb7cfbe0..8f54dfad 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '5.30.0'; // x-release-please-version
+export const VERSION = '5.31.0'; // x-release-please-version