diff --git a/dist/index.js b/dist/index.js
index de0779e5..d777311b 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -9885,7 +9885,7 @@ async function main() {
   await maybeInstallRebar3(rebar3Spec)
 
   // undefined is replaced by a function, post- main branch merge
-  const setupBeamVersion = '6292fa4'
+  const setupBeamVersion = 'b8e9da7'
   core.setOutput('setup-beam-version', setupBeamVersion)
 }
 
diff --git a/src/setup-beam.js b/src/setup-beam.js
index 6787344b..c02e0c66 100644
--- a/src/setup-beam.js
+++ b/src/setup-beam.js
@@ -49,7 +49,7 @@ async function main() {
   await maybeInstallRebar3(rebar3Spec)
 
   // undefined is replaced by a function, post- main branch merge
-  const setupBeamVersion = '6292fa4'
+  const setupBeamVersion = 'b8e9da7'
   core.setOutput('setup-beam-version', setupBeamVersion)
 }