diff --git a/dist/index.js b/dist/index.js
index 18eaf27..df91dad 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -25932,7 +25932,7 @@ async function main() {
   await maybeInstallRebar3(rebar3Spec)
 
   // undefined is replaced by a function, post- main branch merge
-  const setupBeamVersion = 'a8bc27e'
+  const setupBeamVersion = '6a38171'
   core.setOutput('setup-beam-version', setupBeamVersion)
 }
 
diff --git a/src/setup-beam.js b/src/setup-beam.js
index ebada63..3f659a5 100644
--- a/src/setup-beam.js
+++ b/src/setup-beam.js
@@ -52,7 +52,7 @@ async function main() {
   await maybeInstallRebar3(rebar3Spec)
 
   // undefined is replaced by a function, post- main branch merge
-  const setupBeamVersion = 'a8bc27e'
+  const setupBeamVersion = '6a38171'
   core.setOutput('setup-beam-version', setupBeamVersion)
 }