diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 47a9866..60f93ba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,6 +32,7 @@ jobs:
         ls
     - name: Install dependencies
       run: |
+        poetry config virtualenvs.in-project true
         poetry install
     - name: start virtualenv manually
       run: |