diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,3 +1,10 @@
+# ⚠️ v3.0.0 Notice
+
+We are aware of an issue impacting builds for some TypeScript users in our
+latest package release **v3.0.0** and are actively investigating a fix. For the
+time being, we recommend users to remain on the previous release
+[v2.4.0](https://github.com/stripe/stripe-js/releases/tag/v2.4.0).
+
 # Stripe.js ES Module
 
 Use [Stripe.js](https://stripe.com/docs/stripe-js) as an ES module.