diff --git a/.github/workflows/moodle-ci.yml b/.github/workflows/moodle-ci.yml
index f9709cb..6a75801 100644
--- a/.github/workflows/moodle-ci.yml
+++ b/.github/workflows/moodle-ci.yml
@@ -4,6 +4,7 @@ on: [push, pull_request]
 jobs:
   test:
     runs-on: 'ubuntu-latest'
+
     services:
       postgres:
         image: postgres:13
@@ -29,43 +30,43 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          # - php: '8.1'
-          #   moodle-branch: 'MOODLE_401_STABLE'
-          #   database: 'mariadb'
           - php: '8.1'
-            moodle-branch: 'master'
-            database: 'pgsql'
+            moodle-branch: 'MOODLE_404_STABLE'
+            database: 'mariadb'
     steps:
-      - name: Checkout
-        uses: actions/checkout@v3
+      - name: Check out repository code
+        uses: actions/checkout@v2
         with:
           path: plugin
 
-      - name: Setup PHP
+      - name: Setup PHP ${{ matrix.php }}
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
           extensions: ${{ matrix.extensions }}
           ini-values: max_input_vars=5000
-          # none to use phpdbg fallback. Specify pcov (Moodle 3.10 and up) or xdebug to use them instead.
           coverage: none
-
-      - name: Deploy moodle-plugin-ci
+      - name: Install NVM and Node
+        run: |
+          curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.0/install.sh | bash
+          export NVM_DIR="$HOME/.nvm"
+          [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+          nvm install 20
+          nvm use 20
+      - name: Initialise moodle-plugin-ci
         run: |
           composer create-project -n --no-dev --prefer-dist moodlehq/moodle-plugin-ci ci ^3
-          # Add dirs to $PATH
           echo $(cd ci/bin; pwd) >> $GITHUB_PATH
           echo $(cd ci/vendor/bin; pwd) >> $GITHUB_PATH
-          # PHPUnit depends on en_AU.UTF-8 locale
           sudo locale-gen en_AU.UTF-8
+          echo "NVM_DIR=$HOME/.nvm" >> $GITHUB_ENV
 
-      - name: Install Moodle
-        # Need explicit IP to stop mysql client fail on attempt to use unix socket.
-        run: moodle-plugin-ci install --plugin ./plugin --db-host=127.0.0.1
+      - name: Install moodle-plugin-ci
+        run: |
+          moodle-plugin-ci install --plugin ./plugin --db-host=127.0.0.1
         env:
           DB: ${{ matrix.database }}
           MOODLE_BRANCH: ${{ matrix.moodle-branch }}
-          IGNORE_PATHS: 'templates/local/mobile'
 
       - name: PHP Lint
         if: ${{ always() }}
@@ -97,13 +98,9 @@ jobs:
         if: ${{ always() }}
         run: moodle-plugin-ci savepoints
 
-      - name: Mustache Lint
-        if: ${{ always() }}
-        run: moodle-plugin-ci mustache
-
       - name: Grunt
-        if: ${{ matrix.moodle-branch == 'master' }}
-        run: moodle-plugin-ci grunt
+        if: ${{ always() }}
+        run: moodle-plugin-ci grunt --max-lint-warnings 0
 
       - name: PHPUnit tests
         if: ${{ always() }}