diff --git a/.github/workflows/build-gha.yml b/.github/workflows/build-gha.yml
new file mode 100644
index 00000000..5951acb4
--- /dev/null
+++ b/.github/workflows/build-gha.yml
@@ -0,0 +1,34 @@
+name: TEMPORARY TEST Build and upload themes
+on:
+  workflow_dispatch:
+
+jobs:
+  build-push:
+    environment: build-push-quick
+    runs-on: gha-runners-smartweb
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Cache nodes modules
+        id: cache-nodes-modules
+        uses: actions/cache@v4
+        with:
+          path: |
+            node_modules
+            pnpm-lock.yaml
+          key: node_modules-${{ hashFiles('package.json') }}
+      - name: Install node dev dependencies
+        run: |
+          pnpm install --no-frozen-lockfile
+      - name: Build themes
+        run: |
+          echo Building theme for montsaintguibert
+          pnpm --theme=montsaintguibert build
+      - name: Upload theme to plone site
+        uses: IMIO/gha/plone-theme-upload-notify@main
+        with:
+          THEME_PATH: montsaintguibert
+          THEME_FILENAME: theme.zip
+          PLONE_URL: https://montsaintguibert.preprod.imio.be
+          PLONE_USERNAME: ${{ secrets.PLONE_USER }}
+          PLONE_PASSWORD: ${{ secrets.PLONE_PASSWORD }}