diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 328c1b7..e2bb421 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -20,6 +20,6 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install tox tox-gh-actions
+        pip install tox tox-gh-actions poetry
     - name: Test with tox
       run: tox
\ No newline at end of file