diff --git a/testProjects/cloudflare-pages/functions/index.js b/testProjects/cloudflare-pages/functions/index.js
index 2212d64b9e..f468b35a40 100644
--- a/testProjects/cloudflare-pages/functions/index.js
+++ b/testProjects/cloudflare-pages/functions/index.js
@@ -5,7 +5,7 @@ export async function onRequestPost({env, request}) {
   const body = await request.text();
 
   const stripe = new Stripe(env.STRIPE_API_KEY, {
-    apiVersion: '2022-11-15',
+    apiVersion: '2023-08-16',
     httpClient: Stripe.createFetchHttpClient(),
   });
   const webCrypto = Stripe.createSubtleCryptoProvider();
diff --git a/testProjects/mjs-ts/index.ts b/testProjects/mjs-ts/index.ts
index 61b857b77d..cffb780b36 100644
--- a/testProjects/mjs-ts/index.ts
+++ b/testProjects/mjs-ts/index.ts
@@ -1,13 +1,13 @@
 import DefaultStripe, {Stripe} from 'stripe';
 
 const stripe = new Stripe(process.argv[2], {
-  apiVersion: '2022-11-15', 
+  apiVersion: '2023-08-16',
   host: process.env.STRIPE_MOCK_HOST || 'localhost',
   port: process.env.STRIPE_MOCK_PORT || 12111,
   protocol: 'http',
 });
 const defaultStripe = new DefaultStripe(process.argv[2], {
-  apiVersion: '2022-11-15',
+  apiVersion: '2023-08-16',
   host: process.env.STRIPE_MOCK_HOST || 'localhost',
   port: process.env.STRIPE_MOCK_PORT || 12111,
   protocol: 'http',