diff --git a/OPENAPI_VERSION b/OPENAPI_VERSION
index bf758c50..ccddf654 100644
--- a/OPENAPI_VERSION
+++ b/OPENAPI_VERSION
@@ -1 +1 @@
-v276
\ No newline at end of file
+v277
\ No newline at end of file
diff --git a/test/stripe/generated_examples_test.rb b/test/stripe/generated_examples_test.rb
index 6468363c..ab147194 100644
--- a/test/stripe/generated_examples_test.rb
+++ b/test/stripe/generated_examples_test.rb
@@ -2020,6 +2020,20 @@ module Stripe
         assert_requested :post, "#{Stripe.api_base}/v1/subscription_schedules/sub_sched_xxxxxxxxxxxxx"
       end
     end
+    context "Tax.Calculation.list_line_items" do
+      should "support requests with args: calculation" do
+        Stripe::Tax::Calculation.list_line_items("xxx")
+        assert_requested :get, "#{Stripe.api_base}/v1/tax/calculations/xxx/line_items?"
+      end
+    end
+    context "Tax.Transaction.create_from_calculation" do
+      should "support requests with args: calculation, reference" do
+        Stripe::Tax::Transaction.create_from_calculation(
+          { calculation: "xxx", reference: "yyy" }
+        )
+        assert_requested :post, "#{Stripe.api_base}/v1/tax/transactions/create_from_calculation"
+      end
+    end
     context "TaxCode.list" do
       should "support requests with args: limit" do
         Stripe::TaxCode.list({ limit: 3 })