diff --git a/lib/TaxId.php b/lib/TaxId.php
index 7281f00ba..fb9f8d76c 100644
--- a/lib/TaxId.php
+++ b/lib/TaxId.php
@@ -18,7 +18,7 @@
  * @property int $created Time at which the object was created. Measured in seconds since the Unix epoch.
  * @property null|string|\Stripe\Customer $customer ID of the customer.
  * @property bool $livemode Has the value <code>true</code> if the object exists in live mode or the value <code>false</code> if the object exists in test mode.
- * @property string $type Type of the tax ID, one of <code>ae_trn</code>, <code>au_abn</code>, <code>br_cnpj</code>, <code>br_cpf</code>, <code>ca_bn</code>, <code>ca_qst</code>, <code>ch_vat</code>, <code>cl_tin</code>, <code>es_cif</code>, <code>eu_vat</code>, <code>gb_vat</code>, <code>hk_br</code>, <code>id_npwp</code>, <code>in_gst</code>, <code>jp_cn</code>, <code>jp_rn</code>, <code>kr_brn</code>, <code>li_uid</code>, <code>mx_rfc</code>, <code>my_frp</code>, <code>my_itn</code>, <code>my_sst</code>, <code>no_vat</code>, <code>nz_gst</code>, <code>ru_inn</code>, <code>ru_kpp</code>, <code>sa_vat</code>, <code>sg_gst</code>, <code>sg_uen</code>, <code>th_vat</code>, <code>tw_vat</code>, <code>us_ein</code>, or <code>za_vat</code>. Note that some legacy tax IDs have type <code>unknown</code>
+ * @property string $type Type of the tax ID, one of <code>ae_trn</code>, <code>au_abn</code>, <code>br_cnpj</code>, <code>br_cpf</code>, <code>ca_bn</code>, <code>ca_gst_hst</code>, <code>ca_pst_bc</code>, <code>ca_pst_mb</code>, <code>ca_pst_sk</code>, <code>ca_qst</code>, <code>ch_vat</code>, <code>cl_tin</code>, <code>es_cif</code>, <code>eu_vat</code>, <code>gb_vat</code>, <code>hk_br</code>, <code>id_npwp</code>, <code>in_gst</code>, <code>jp_cn</code>, <code>jp_rn</code>, <code>kr_brn</code>, <code>li_uid</code>, <code>mx_rfc</code>, <code>my_frp</code>, <code>my_itn</code>, <code>my_sst</code>, <code>no_vat</code>, <code>nz_gst</code>, <code>ru_inn</code>, <code>ru_kpp</code>, <code>sa_vat</code>, <code>sg_gst</code>, <code>sg_uen</code>, <code>th_vat</code>, <code>tw_vat</code>, <code>us_ein</code>, or <code>za_vat</code>. Note that some legacy tax IDs have type <code>unknown</code>
  * @property string $value Value of the tax ID.
  * @property null|\Stripe\StripeObject $verification Tax ID verification information.
  */
@@ -33,6 +33,10 @@ class TaxId extends ApiResource
     const TYPE_BR_CNPJ = 'br_cnpj';
     const TYPE_BR_CPF = 'br_cpf';
     const TYPE_CA_BN = 'ca_bn';
+    const TYPE_CA_GST_HST = 'ca_gst_hst';
+    const TYPE_CA_PST_BC = 'ca_pst_bc';
+    const TYPE_CA_PST_MB = 'ca_pst_mb';
+    const TYPE_CA_PST_SK = 'ca_pst_sk';
     const TYPE_CA_QST = 'ca_qst';
     const TYPE_CH_VAT = 'ch_vat';
     const TYPE_CL_TIN = 'cl_tin';