diff --git a/.drone.yml b/.drone.yml
index adae593..1967978 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -19,6 +19,7 @@ steps:
       - ldd --version
       - node -v
       - npm ci
+      - npm install --include=optional sharp
       - node -e 'import Sharp from "sharp"; console.log(Sharp)'
       - npm run build
       - cp -rT ./dist /mnt/website