diff --git a/.drone.yml b/.drone.yml
index b5310b9..6a59ea7 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -9,6 +9,7 @@ steps:
     image: python:3.9.5
     commands:
       - pip install -r requirements.txt
+      - pip install pytest
       - pytest
   - name: publish
     image: plugins/docker:19.03.8