diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a9513f827..b85ebf0cd 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -36,7 +36,7 @@ jobs:
           python -m pip install setuptools --upgrade --user
 
           python -m pip install https://github.com/BoothGroup/dyson/archive/master.zip
-          python -m pip install .[dmet,ebcc] --user
+          python -m pip install .[dmet,ebcc,pygnme] --user
       - name: Run unit tests
         run: |
           python -m pip install pytest pytest-cov --user