diff --git a/.drone.yml b/.drone.yml
index 6af5c44..018fb25 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -13,6 +13,7 @@ steps:
   commands:
     - echo "http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories
     - apk update
+    - apk add libffi
     - apk add shellcheck
 
 - name: Build Ubuntu deb package