diff --git a/dist/index.js b/dist/index.js
index d12ee16..1a59046 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -37701,7 +37701,7 @@ async function main() {
   await maybeInstallRebar3(rebar3Spec)
 
   // undefined is replaced by a function, post- main branch merge
-  const setupBeamVersion = 'f8797dd'
+  const setupBeamVersion = 'c648472'
   setOutput('setup-beam-version', setupBeamVersion)
 }
 
diff --git a/src/setup-beam.js b/src/setup-beam.js
index 2941299..be2cbb1 100644
--- a/src/setup-beam.js
+++ b/src/setup-beam.js
@@ -57,7 +57,7 @@ async function main() {
   await maybeInstallRebar3(rebar3Spec)
 
   // undefined is replaced by a function, post- main branch merge
-  const setupBeamVersion = 'f8797dd'
+  const setupBeamVersion = 'c648472'
   core.setOutput('setup-beam-version', setupBeamVersion)
 }