diff --git a/dist/index.js b/dist/index.js
index fbcb665..a87af70 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -9870,7 +9870,7 @@ async function main() {
   await maybeInstallRebar3(rebar3Spec)
 
   // undefined is replaced by a function, post- main branch merge
-  const setupBeamVersion = 'undefined'
+  const setupBeamVersion = '4678b57'
   core.setOutput('setup-beam-version', setupBeamVersion)
 }