diff --git a/rollup.config.js b/rollup.config.js
index da1fa285478..2689076a07d 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -35,6 +35,9 @@ const input = new Set([
 
       // "./lib-esm/utils/*"
       'src/utils/*',
+
+      // for backward compatbility, see https://github.com/primer/react/pull/3740
+      'src/ActionMenu/index.ts',
     ],
     {
       cwd: __dirname,