diff --git a/.github/workflows/check_together.yml b/.github/workflows/check_together.yml
index f90b346..74efd03 100644
--- a/.github/workflows/check_together.yml
+++ b/.github/workflows/check_together.yml
@@ -19,6 +19,7 @@ jobs:
         os:
           - ubuntu-latest
           - macos-latest
+          - ubuntu-24.04-arm
     steps:
     - name: Checkout
       uses: actions/checkout@v4.1.0
@@ -41,4 +42,4 @@ jobs:
         elif [[ "${{ steps.check.outputs.files }}" =~ $notexpect ]];then
           echo "::error:: Expected file $notexpect found in ${{ steps.check.outputs.files }}"
           exit 1
-        fi 
\ No newline at end of file
+        fi 
diff --git a/action.yaml b/action.yaml
index 130781e..8498a3e 100644
--- a/action.yaml
+++ b/action.yaml
@@ -69,9 +69,13 @@ runs:
         fi
 
         baseurl="https://github.com/koalaman/shellcheck/releases/download"
+        arch=$(uname -m)
+        if [[ "${arch}" == "arm64" ]]; then
+          arch="aarch64"
+        fi
 
         curl -Lso "${{ github.action_path }}/sc.tar.xz" \
-          "${baseurl}/${INPUT_VERSION}/shellcheck-${INPUT_VERSION}.${osvariant}.x86_64.tar.xz"
+          "${baseurl}/${INPUT_VERSION}/shellcheck-${INPUT_VERSION}.${osvariant}.${arch}.tar.xz"
 
         tar -xf "${{ github.action_path }}/sc.tar.xz" -C "${{ github.action_path }}"
         mv "${{ github.action_path }}/shellcheck-${INPUT_VERSION}/shellcheck" \