diff --git a/apps/web/webpack.config.js b/apps/web/webpack.config.js
index c7d2bcb5e0..96deb2f80e 100644
--- a/apps/web/webpack.config.js
+++ b/apps/web/webpack.config.js
@@ -272,6 +272,7 @@ const devServer =
                   https://api.2fa.directory/v3/totp.json
                   https://api.stripe.com
                   https://www.paypal.com
+                  https://api.sandbox.braintreegateway.com
                   https://api.braintreegateway.com
                   https://client-analytics.braintreegateway.com
                   https://*.braintree-api.com