diff --git a/.github/workflows/test_sitl_rover.yml b/.github/workflows/test_sitl_rover.yml
index d17c0d154e..74c6c0f93d 100644
--- a/.github/workflows/test_sitl_rover.yml
+++ b/.github/workflows/test_sitl_rover.yml
@@ -192,6 +192,7 @@ jobs:
       - name: build rover ${{ matrix.toolchain }}
         shell: bash
         run: |
+          sudo apt-get -y install ppp
           git config --global --add safe.directory ${GITHUB_WORKSPACE}
           if [[ ${{ matrix.toolchain }} == "clang" ]]; then
             export CC=clang