diff --git a/.github/workflows/publish-multi-arch-container-images.yaml b/.github/workflows/publish-multi-arch-container-images.yaml
index 5d48a7e..7957f61 100644
--- a/.github/workflows/publish-multi-arch-container-images.yaml
+++ b/.github/workflows/publish-multi-arch-container-images.yaml
@@ -11,7 +11,7 @@ on:
   # The "push" event could replace "merged" event.
   push:
     branches:
-      - master
+      - main
     tags:
       - "v*.*.*"
     paths-ignore:
@@ -21,7 +21,9 @@ on:
       - 'LICENSE'
       - 'CODEOWNERS'
       - 'assets/**'
-      - 'test/**'
+      - 'scripts/**'
+      - 'src/testclient/scripts/**'
+      - 'docs/**'
 
 jobs:
   # The job key is "publishing"
@@ -29,12 +31,15 @@ jobs:
     # Job name is "Publishing"
     name: Publishing
 
-    # This job runs on Ubuntu-latest
-    runs-on: ubuntu-18.04
+    if: github.repository == 'cloud-barista/cb-mapui'
+
+    # This job runs on Ubuntu-latest (Ubuntu 20.04 LTS checked on 2022-09-06)
+    # See https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners
+    runs-on: ubuntu-latest
 
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v4
 
       - name: Prepare tags
         id: prep
@@ -55,27 +60,27 @@ jobs:
           if [[ $VERSION =~ ^v[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}.*$ ]]; then
             DOCKER_TAGS="$DOCKER_TAGS,${DOCKER_IMAGE}:latest"
           fi
-          echo ::set-output name=docker-tags::${DOCKER_TAGS}
+          echo "docker-tags=${DOCKER_TAGS}" >> $GITHUB_OUTPUT
           echo ${DOCKER_TAGS}
           GHCR_IMAGE=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME
           GHCR_TAGS="${GHCR_IMAGE}:${VERSION}"
           if [[ $VERSION =~ ^v[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}.*$ ]]; then
             GHCR_TAGS="$GHCR_TAGS,${GHCR_IMAGE}:latest"
           fi
-          echo ::set-output name=ghcr-tags::${GHCR_TAGS}
+          echo "ghcr-tags=${GHCR_TAGS}" >> $GITHUB_OUTPUT
           echo ${GHCR_TAGS}
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1.2.0
+        uses: docker/setup-qemu-action@v3
         with:
           platforms: all
 
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v1.5.1
+        uses: docker/setup-buildx-action@v3
 
       - name: Cache Docker layers
-        uses: actions/cache@v2.1.6
+        uses: actions/cache@v3
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}
@@ -83,14 +88,14 @@ jobs:
             ${{ runner.os }}-buildx-
 
       - name: Login to Docker Hub
-        uses: docker/login-action@v1.10.0
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       # TODO: Create a PAT with `read:packages` and `write:packages` scopes and save it as an Actions secret `CR_PAT`
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v1.10.0
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
@@ -98,7 +103,7 @@ jobs:
 
       - name: Build and publish
         id: docker_build
-        uses: docker/build-push-action@v2.7.0
+        uses: docker/build-push-action@v5
         with:
           builder: ${{ steps.buildx.outputs.name }}
           context: ./