diff --git a/.drone.yml b/.drone.yml
index b80ace6..a6219be 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -27,6 +27,8 @@ steps:
     image: python:3.7.2
     commands:
       # Install dependencies
+      - pip install poetry
+      - poetry install
       - poetry run semantic-release publish
     depends_on:
       - test