diff --git a/README.md b/README.md
index d5d17eb..b0dc017 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
+> ## :warning: Upgrade from v2!
+>
+> The v2 version of this action [has stopped working](https://github.com/pnpm/action-setup/issues/135) with newer Node.js versions. Please, upgrade to the latest version to fix any issues.
+
 # Setup pnpm
 
 Install pnpm package manager.