diff --git a/dist/index.js b/dist/index.js
index b01d76e..34ce9c0 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -25933,7 +25933,7 @@ async function main() {
   await maybeInstallRebar3(rebar3Spec)
 
   // undefined is replaced by a function, post- main branch merge
-  const setupBeamVersion = 'e5d5058'
+  const setupBeamVersion = '8fc1380'
   core.setOutput('setup-beam-version', setupBeamVersion)
 }
 
diff --git a/src/setup-beam.js b/src/setup-beam.js
index 6794fa2..a8214c3 100644
--- a/src/setup-beam.js
+++ b/src/setup-beam.js
@@ -53,7 +53,7 @@ async function main() {
   await maybeInstallRebar3(rebar3Spec)
 
   // undefined is replaced by a function, post- main branch merge
-  const setupBeamVersion = 'e5d5058'
+  const setupBeamVersion = '8fc1380'
   core.setOutput('setup-beam-version', setupBeamVersion)
 }