diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4583a26..98cff31 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -203,7 +203,9 @@ jobs:
         os:
         - ubuntu-latest
         - ubuntu-24.04
+        - ubuntu-24.04-arm
         - ubuntu-22.04
+        - ubuntu-22.04-arm
         - ubuntu-20.04
         - macos-latest
         - macos-15
diff --git a/README.md b/README.md
index 64b77eb..9094614 100644
--- a/README.md
+++ b/README.md
@@ -83,7 +83,7 @@ The action works on these [GitHub-hosted runners](https://docs.github.com/en/act
 
 | OS      | Supported        |
 | ------- | ---------------- |
-| Ubuntu  | `ubuntu-24.04` (`ubuntu-latest`), `ubuntu-22.04`, `ubuntu-20.04` |
+| Ubuntu  | `ubuntu-24.04` (`ubuntu-latest`), `ubuntu-24.04-arm`, `ubuntu-22.04`, `ubuntu-22.04-arm` `ubuntu-20.04` |
 | macOS   | `macos-15`, `macos-14` (`macos-latest`), `macos-13` |
 | Windows | `windows-2025`, `windows-2022` (`windows-latest`), `windows-2019` |