diff --git a/lib/stripe/resources/checkout/session.rb b/lib/stripe/resources/checkout/session.rb
index f2d15de4..4c60bcc0 100644
--- a/lib/stripe/resources/checkout/session.rb
+++ b/lib/stripe/resources/checkout/session.rb
@@ -10,7 +10,18 @@ module Stripe
 
       OBJECT_NAME = "checkout.session"
 
+      custom_method :expire, http_verb: :post
+
       nested_resource_class_methods :line_item, operations: %i[list]
+
+      def expire(params = {}, opts = {})
+        request_stripe_object(
+          method: :post,
+          path: resource_url + "/expire",
+          params: params,
+          opts: opts
+        )
+      end
     end
   end
 end
diff --git a/test/stripe/generated_examples_test.rb b/test/stripe/generated_examples_test.rb
index 0b768ee9..80ced4d8 100644
--- a/test/stripe/generated_examples_test.rb
+++ b/test/stripe/generated_examples_test.rb
@@ -1269,6 +1269,12 @@ module Stripe
         assert_requested :post, "#{Stripe.api_base}/v1/billing_portal/sessions"
       end
     end
+    context "Session.expire" do
+      should "support requests with args: session" do
+        Stripe::Checkout::Session.expire("sess_xyz")
+        assert_requested :post, "#{Stripe.api_base}/v1/checkout/sessions/sess_xyz/expire?"
+      end
+    end
     context "Session.list" do
       should "support requests with args: limit" do
         Stripe::Checkout::Session.list(limit: 3)