diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 53ce844..5701c43 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -25,6 +25,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
+          pip install .
           python -c "import duckdb; duckdb.install_extension('spatial')"
           pip install coverage