diff --git a/README.md b/README.md
index 6285b62..c286268 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,8 @@
 
 A drop-in class for [Turbo Native](https://github.com/hotwired/turbo-ios) apps to handle common navigation flows.
 
-> Note: This package is still being actively developed and subject to breaking changes without warning.
+> !IMPORTANT
+> This package is currently being upstreamed into turbo-ios! All future development is happening on the [turbo-navigator branch](https://github.com/hotwired/turbo-ios/pull/158).
 
 ![Turbo Navigator screenshot demo](.github/images/demo.png)