diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 26a79a395..1f8ef837d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-20.04, ubuntu-22.04, macos-11, macos-12, windows-2019, windows-2022 ]
+        os: [ ubuntu-20.04, ubuntu-22.04, macos-11, macos-12, macos-13, windows-2019, windows-2022 ]
         ruby: [
           '1.9', '2.0', '2.1', '2.2', '2.3', '2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', ruby-head,
           jruby, jruby-head,
diff --git a/README.md b/README.md
index e0170dfec..2ba5e6b6d 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ The action works on these [GitHub-hosted runners](https://docs.github.com/en/act
 | Operating System | Supported |
 | ---------------- | --------- |
 | Ubuntu  | `ubuntu-20.04`, `ubuntu-22.04` |
-| macOS   | `macos-11`, `macos-12` |
+| macOS   | `macos-11`, `macos-12`, `macos-13` |
 | Windows | `windows-2019`, `windows-2022` |
 
 The prebuilt releases are generated by [ruby-builder](https://github.com/ruby/ruby-builder)
diff --git a/common.js b/common.js
index a28f8390b..1fa504fc3 100644
--- a/common.js
+++ b/common.js
@@ -163,6 +163,7 @@ const GitHubHostedPlatforms = [
   'ubuntu-22.04-x64',
   'macos-11-x64',
   'macos-12-x64',
+  'macos-13-x64',
   'windows-2019-x64',
   'windows-2022-x64',
 ]
diff --git a/dist/index.js b/dist/index.js
index 5bd6cd351..363fc7536 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -520,6 +520,7 @@ const GitHubHostedPlatforms = [
   'ubuntu-22.04-x64',
   'macos-11-x64',
   'macos-12-x64',
+  'macos-13-x64',
   'windows-2019-x64',
   'windows-2022-x64',
 ]