diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 766b651..cde65de 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -56,7 +56,7 @@ jobs:
 
   test_workflow_artifact:
     needs: [test_library]
-    uses: fem-on-colab/open-in-colab-workflow/.github/workflows/workflow_call.yml@main
+    uses: fem-on-colab/open-in-colab-workflow/.github/workflows/workflow_call.yml@pyproject-cmake
     with:
       work_directory: open_in_colab
       notebook_pattern: "**/*.ipynb"
@@ -81,7 +81,7 @@ jobs:
 
   test_workflow_drive:
     needs: [test_library]
-    uses: fem-on-colab/open-in-colab-workflow/.github/workflows/workflow_call.yml@main
+    uses: fem-on-colab/open-in-colab-workflow/.github/workflows/workflow_call.yml@pyproject-cmake
     with:
       work_directory: open_in_colab
       notebook_pattern: "**/*.ipynb"
@@ -110,7 +110,7 @@ jobs:
 
   test_workflow_github:
     needs: [test_library]
-    uses: fem-on-colab/open-in-colab-workflow/.github/workflows/workflow_call.yml@main
+    uses: fem-on-colab/open-in-colab-workflow/.github/workflows/workflow_call.yml@pyproject-cmake
     with:
       work_directory: open_in_colab
       notebook_pattern: "**/*.ipynb"
diff --git a/.github/workflows/workflow_call.yml b/.github/workflows/workflow_call.yml
index b0a50ef..7c8e74b 100644
--- a/.github/workflows/workflow_call.yml
+++ b/.github/workflows/workflow_call.yml
@@ -67,12 +67,7 @@ jobs:
       - name: Determine which branch to use while cloning the workflow call library
         id: workflow_call_library_branch
         run: |
-          if [[ "${{ github.repository }}" == "fem-on-colab/open-in-colab-workflow" ]]; then
-            BRANCH=${GITHUB_REF##*/}
-          else
-            BRANCH="main"
-          fi
-          echo "branch=${BRANCH}" >> ${GITHUB_OUTPUT}
+          echo "branch=pyproject-cmake" >> ${GITHUB_OUTPUT}
       - name: Clone workflow call library
         uses: actions/checkout@v3
         with: