diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9924ad3..ed1d54f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
     name: asdf plugin test
     strategy:
       matrix:
-        os: [ubuntu-latest]
+        os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - name: asdf_plugin_test
diff --git a/lib/utils.bash b/lib/utils.bash
index 61db0a2..d34edf8 100755
--- a/lib/utils.bash
+++ b/lib/utils.bash
@@ -43,7 +43,6 @@ download_release() {
   esac
 
   case "$(uname -m)" in
-    aarch64) arch=aarch64 ;;
     x86_64) arch=x86_64 ;;
     aarch64) arch=arm64 ;;
   esac