diff --git a/dist/index.js b/dist/index.js
index c0187c54..9abcb884 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -9155,7 +9155,7 @@ async function main() {
   await maybeInstallRebar3(rebar3Spec)
 
   // undefined is replaced by a function, post- main branch merge
-  const setupBeamVersion = '45dc207'
+  const setupBeamVersion = 'ff934e2'
   core.setOutput('setup-beam-version', setupBeamVersion)
 }
 
diff --git a/src/setup-beam.js b/src/setup-beam.js
index 2c12f60a..ebd83cb2 100644
--- a/src/setup-beam.js
+++ b/src/setup-beam.js
@@ -50,7 +50,7 @@ async function main() {
   await maybeInstallRebar3(rebar3Spec)
 
   // undefined is replaced by a function, post- main branch merge
-  const setupBeamVersion = '45dc207'
+  const setupBeamVersion = 'ff934e2'
   core.setOutput('setup-beam-version', setupBeamVersion)
 }