diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2ff077c..825d6b9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,17 +1,12 @@
 name: ci
 
 on:
-  # Trigger the workflow on push or pull request,
-  # but only for the main branch
   push:
     branches:
       - main
   pull_request:
     branches:
       - main
-  # Also trigger on page_build, as well as release created events
-  page_build:
-  release:
 
 env:
   # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
@@ -28,9 +23,15 @@ jobs:
       - uses: actions/checkout@master
         with:
           repository: gismo/gismo
+          ref: stable
           path: ./gismo
 
+      - uses: actions/checkout@master
+        with:
+          path: ./gismo/optional
+          #token: ${{ secrets.GH_PAT }}
+
       - name: "Run for ${{ matrix.os }}"
         shell: bash
         working-directory: ${{runner.workspace}}
-        run: ctest -S ${{ github.event.repository.name }}/gismo/cmake/ctest_script.cmake -D CTEST_BUILD_NAME="actions_$GITHUB_RUN_NUMBER" -D CTEST_SITE="${{ matrix.os }}_[actions]" -D CMAKE_ARGS="-DCMAKE_BUILD_TYPE=$BUILD_TYPE;-DCMAKE_CXX_STANDARD=11;-DGISMO_WITH_XDEBUG=ON;-DGISMO_BUILD_UNITTESTS=ON" -D GISMO_OPTIONAL="${{ github.event.repository.name }}" -Q
+        run: ctest -S ${{ github.event.repository.name }}/gismo/cmake/ctest_script.cmake -D CTEST_BUILD_NAME="${{ github.event.repository.name }}_actions_$GITHUB_RUN_NUMBER" -D CTEST_SITE="${{ matrix.os }}_[actions]" -D CMAKE_ARGS="-DCMAKE_BUILD_TYPE=$BUILD_TYPE;-DCMAKE_CXX_STANDARD=11;-DGISMO_WITH_XDEBUG=ON;-DGISMO_BUILD_UNITTESTS=ON" -D GISMO_OPTIONAL="${{ github.event.repository.name }}" -Q