diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8486aa3..ba81649 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,8 +6,13 @@ on:
   pull_request:
 jobs:
   test-check:
-    name: runner / ast-grep (github-check)
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+    name: runner (${{ matrix.os }}) / ast-grep (github-check)
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
       - uses: ./
diff --git a/script.sh b/script.sh
index 02fdff2..5b19fac 100755
--- a/script.sh
+++ b/script.sh
@@ -21,14 +21,31 @@ echo '::group::🐶 Installing ast-grep ... https://github.com/ast-grep/ast-grep
 TEMP_PATH="$(mktemp -d)"
 PATH="${TEMP_PATH}:$PATH"
 
+unameOS="$(uname -s)"
+case "${unameOS}" in
+  Linux*) os=unknown-linux-gnu ;;
+  Darwin*) os=apple-darwin ;;
+  *) echo "Unsupported system: ${unameOS}" && exit 1 ;;
+esac
+
+unameArch="$(uname -m)"
+case "${unameArch}" in
+  x86*) arch=x86_64 ;;
+  aarch64*) arch=aarch64 ;;
+  arm64*) arch=aarch64 ;;
+  *) echo "Unsupported architecture: ${unameArch}" && exit 1 ;;
+esac
+
 curl --silent --show-error --fail \
-  --location "https://github.com/ast-grep/ast-grep/releases/download/${INPUT_SG_VERSION}/app-x86_64-unknown-linux-gnu.zip" \
+  --location "https://github.com/ast-grep/ast-grep/releases/download/${INPUT_SG_VERSION}/app-${arch}-${os}.zip" \
   --output "${TEMP_PATH}/sg.zip"
 
 unzip -u "${TEMP_PATH}/sg.zip" -d "${TEMP_PATH}/temp-sg"
 install "${TEMP_PATH}/temp-sg/ast-grep" "${TEMP_PATH}"
 rm -rf "${TEMP_PATH}/sg.zip" "${TEMP_PATH}/temp-sg"
 
+ast-grep --version
+
 echo '::endgroup::'
 
 echo '::group:: Running ast-grep with reviewdog 🐶 ...'