diff --git a/.github/workflows/test-plip-oddt.yaml b/.github/workflows/test-plip-oddt.yaml
index d2273a8..256c0c8 100644
--- a/.github/workflows/test-plip-oddt.yaml
+++ b/.github/workflows/test-plip-oddt.yaml
@@ -20,6 +20,6 @@ jobs:
       run: |
         sudo apt update && sudo apt install python3-openbabel openbabel python-six git
         python -m pip install --upgrade pip six 
-        python -m pip install oddt git+https://github.com/navanchauhan/plip
+        python -m pip install oddt git+https://github.com/navanchauhan/plip openbabel
     - name: Clean Test Data
       run: cd tests && python test-oddt-plip.py