diff --git a/types/2020-03-02/Customers.d.ts b/types/2020-03-02/Customers.d.ts
index 440c6d6694..383c80c2c4 100644
--- a/types/2020-03-02/Customers.d.ts
+++ b/types/2020-03-02/Customers.d.ts
@@ -124,7 +124,7 @@ declare module 'stripe' {
       /**
        * The customer's tax IDs.
        */
-      tax_ids: ApiList<Stripe.TaxId>;
+      tax_ids: ApiList<Stripe.TaxId> | null;
     }
 
     namespace Customer {
diff --git a/types/2020-03-02/Files.d.ts b/types/2020-03-02/Files.d.ts
index 508802d963..fbcbd635e5 100644
--- a/types/2020-03-02/Files.d.ts
+++ b/types/2020-03-02/Files.d.ts
@@ -20,6 +20,11 @@ declare module 'stripe' {
        */
       created: number;
 
+      /**
+       * The time at which the file expires and is no longer available in epoch seconds.
+       */
+      expires_at: number | null;
+
       /**
        * A filename for the file, suitable for saving to a filesystem.
        */