diff --git a/lib/recurly.d.ts b/lib/recurly.d.ts
index 42e16eff..389e74b7 100644
--- a/lib/recurly.d.ts
+++ b/lib/recurly.d.ts
@@ -8790,6 +8790,7 @@ declare namespace errors {
   export class ServerError extends ResponseError { }
   export class InternalServerError extends ServerError { }
   export class ServiceNotAvailableError extends InternalServerError { }
+  export class TaxServiceError extends InternalServerError { }
   export class BadGatewayError extends ServerError { }
   export class ServiceUnavailableError extends ServerError { }
   export class TimeoutError extends ServerError { }
diff --git a/lib/recurly/api_errors.js b/lib/recurly/api_errors.js
index 999cc6d4..613428b6 100644
--- a/lib/recurly/api_errors.js
+++ b/lib/recurly/api_errors.js
@@ -13,6 +13,7 @@ class ResponseError extends ApiError { }
 class ServerError extends ResponseError { }
 class InternalServerError extends ServerError { }
 class ServiceNotAvailableError extends InternalServerError { }
+class TaxServiceError extends InternalServerError { }
 class BadGatewayError extends ServerError { }
 class ServiceUnavailableError extends ServerError { }
 class TimeoutError extends ServerError { }
@@ -65,6 +66,7 @@ module.exports = {
   ServerError: ServerError,
   InternalServerError: InternalServerError,
   ServiceNotAvailableError: ServiceNotAvailableError,
+  TaxServiceError: TaxServiceError,
   BadGatewayError: BadGatewayError,
   ServiceUnavailableError: ServiceUnavailableError,
   TimeoutError: TimeoutError,
diff --git a/openapi/api.yaml b/openapi/api.yaml
index 27cee0a6..edb6d24b 100644
--- a/openapi/api.yaml
+++ b/openapi/api.yaml
@@ -22001,6 +22001,7 @@ components:
       - rate_limited
       - service_not_available
       - simultaneous_request
+      - tax_service_error
       - transaction
       - unauthorized
       - unavailable_in_api_version
diff --git a/package-lock.json b/package-lock.json
index 01f02dd3..a122da20 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "recurly",
-  "version": "4.11.0",
+  "version": "4.12.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "recurly",
-      "version": "4.11.0",
+      "version": "4.12.0",
       "license": "MIT",
       "devDependencies": {
         "@types/node": "^12.11.1",