diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 95180fa..5004822 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Install dependencies
         run: |
           sudo apt-get update -qy
-          sudo apt-get install python3-vtk9 mpi-default
+          sudo apt-get install python3-vtk9 mpi-default-dev
           python -m pip install --upgrade pip
           pip install .[tests]