diff --git a/.drone.yml b/.drone.yml
index d4ce0ce..2383f4b 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -9,6 +9,6 @@ steps:
   commands:
   - apk add --no-cache gcc g++ musl-dev python3-dev
   - pip3 install pipenv
-  - pipenv install --system
+  - pipenv install --all --system
   - pipenv run flake8
   - pipenv run python -m unittest discover ki