diff --git a/.github/workflows/testpr.yml b/.github/workflows/testpr.yml
index e4142374..42421e5e 100644
--- a/.github/workflows/testpr.yml
+++ b/.github/workflows/testpr.yml
@@ -50,6 +50,7 @@ jobs:
         export FEEDSTOCK_NAME="$(basename $GITHUB_REPOSITORY)"
         export GIT_BRANCH="$(basename $GITHUB_REF)"
         echo "::endgroup::"
+        sudo apt-get install -y libgl1-mesa-dev
 
     - shell: bash -l {0}
       run: |