diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index d2a5dad6..af0a8203 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -22,6 +22,7 @@ jobs:
         python-version: 3.8
     - name: Install dependencies
       run: |
+        pip install poetry
         poetry install
     - name: Test with pytest
       run: |