diff --git a/dist/index.js b/dist/index.js
index dde890b..27ef543 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -54753,7 +54753,7 @@ async function main() {
   await maybeInstallRebar3(rebar3Spec)
 
   // undefined is replaced by a function, post- main branch merge
-  const setupBeamVersion = 'a04cfbb'
+  const setupBeamVersion = 'ad42943'
   setOutput('setup-beam-version', setupBeamVersion)
 }
 
diff --git a/src/setup-beam.js b/src/setup-beam.js
index 18e3bac..5ab86d4 100644
--- a/src/setup-beam.js
+++ b/src/setup-beam.js
@@ -58,7 +58,7 @@ async function main() {
   await maybeInstallRebar3(rebar3Spec)
 
   // undefined is replaced by a function, post- main branch merge
-  const setupBeamVersion = 'a04cfbb'
+  const setupBeamVersion = 'ad42943'
   core.setOutput('setup-beam-version', setupBeamVersion)
 }