diff --git a/dist/index.js b/dist/index.js
index cd1fe4a5..41c0031d 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -55358,6 +55358,7 @@ function getRunnerOSVersion() {
   const ImageOSToContainer = {
     ubuntu22: 'ubuntu-22.04',
     ubuntu24: 'ubuntu-24.04',
+    'win11-arm64': 'windows-11-arm',
     win19: 'windows-2019',
     win22: 'windows-2022',
     win25: 'windows-2025',
diff --git a/src/setup-beam.js b/src/setup-beam.js
index 966a4b46..e6636b60 100644
--- a/src/setup-beam.js
+++ b/src/setup-beam.js
@@ -664,6 +664,7 @@ function getRunnerOSVersion() {
   const ImageOSToContainer = {
     ubuntu22: 'ubuntu-22.04',
     ubuntu24: 'ubuntu-24.04',
+    'win11-arm64': 'windows-11-arm',
     win19: 'windows-2019',
     win22: 'windows-2022',
     win25: 'windows-2025',