diff --git a/.github/workflows/systemtests.yml b/.github/workflows/systemtests.yml
index 6436910ae..a3322c193 100644
--- a/.github/workflows/systemtests.yml
+++ b/.github/workflows/systemtests.yml
@@ -23,6 +23,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           path: ros2_ws/src/crazyswarm2
+          submodules: true
       - name: Build workspace
         run: |
           source /opt/ros/humble/setup.bash