diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8a8329ef..e3ade008 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -44,6 +44,7 @@ jobs:
           conda activate test_env
           mamba install --file requirements/run.txt
           mamba install --file requirements/test.txt
+          pip install -e .
 
       - name: Use Xvfb Action
         uses: GabrielBB/xvfb-action@v1