diff --git a/CHANGELOG.md b/CHANGELOG.md
index f71086f2..264b7baa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,12 @@
 <!-- This file is generated, please add to it using `knope document-change` in the client-library-templates repo -->
 # Changelog
 
+## 8.7.1 (2026-09-02)
+
+### Fixes
+
+- Fix typo in Mandate next_possible_standard_ach_charge_date description
+
 ## 8.7.0 (2026-09-01)
 
 ### Features
diff --git a/package-lock.json b/package-lock.json
index a135fbeb..d1694f6d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "gocardless-nodejs",
-  "version": "8.7.0",
+  "version": "8.7.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "gocardless-nodejs",
-      "version": "8.7.0",
+      "version": "8.7.1",
       "license": "MIT",
       "dependencies": {
         "got": "^11.8.6",
@@ -3179,9 +3179,9 @@
       "license": "MIT"
     },
     "node_modules/electron-to-chromium": {
-      "version": "1.5.418",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.5.418.tgz",
-      "integrity": "sha512-UzS26r3AEbG5wSoGVpJKqwHIU9zwQN7LHdVIThDrJpS0I5KdlXFMEb8543fhc9dVnIIAST6ar8rhwa00AL5MlA==",
+      "version": "1.5.420",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.5.420.tgz",
+      "integrity": "sha512-2yD6XreGusOfNV+dUcvipJEXc3n/n7fgr7996aszTG+YY5E4mqM4tOq/3uhP129cazL9YHbVWSpc79ePotWtPA==",
       "dev": true,
       "license": "ISC"
     },
diff --git a/package.json b/package.json
index 51e94248..89f54eb4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gocardless-nodejs",
-  "version": "8.7.0",
+  "version": "8.7.1",
   "description": "Node.js client for the GoCardless API - a powerful, simple solution for the collection of recurring bank-to-bank payments",
   "author": "GoCardless Ltd <client-libraries@gocardless.com>",
   "repository": {
diff --git a/src/constants.ts b/src/constants.ts
index cfced83c..e2020157 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -3,7 +3,7 @@ enum Environments {
   Sandbox = 'SANDBOX',
 }
 
-const CLIENT_VERSION = '8.7.0';
+const CLIENT_VERSION = '8.7.1';
 const API_VERSION = '2015-07-06';
 
 export { Environments, CLIENT_VERSION, API_VERSION };
diff --git a/src/types/Types.ts b/src/types/Types.ts
index 1c341045..ed72360a 100644
--- a/src/types/Types.ts
+++ b/src/types/Types.ts
@@ -5098,7 +5098,7 @@ export type Mandate = {
   // payment for this mandate. This value will change over time.
   next_possible_charge_date?: string | null;
 
-  // If this is an an ACH mandate, the earliest date that can be used as a
+  // If this is an ACH mandate, the earliest date that can be used as a
   // `charge_date` on any newly created payment to be charged through standard
   // ACH, rather than Faster ACH. This value will change over time.
   //