diff --git a/publish-static-contents/action.yml b/publish-static-contents/action.yml
index f1ed672..6d7341d 100644
--- a/publish-static-contents/action.yml
+++ b/publish-static-contents/action.yml
@@ -21,6 +21,16 @@ inputs:
 runs:
   using: composite
   steps:
+    - name: Install AWS CLI
+      shell: bash
+      run: |
+        if ! command -v aws &> /dev/null; then
+          curl -fsSL "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o /tmp/awscliv2.zip
+          unzip -q /tmp/awscliv2.zip -d /tmp
+          sudo /tmp/aws/install
+          rm -rf /tmp/awscliv2.zip /tmp/aws
+        fi
+
     - name: Publish frontend assets
       shell: bash
       env: