diff --git a/.drone.yml b/.drone.yml
index 26a5042..252dccf 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -2,8 +2,10 @@ kind: pipeline
 type: docker
 name: check
 
+# Ensure that YAML is well-formed
 steps:
   - name: check-config
     image: docker
     commands:
+      - apk add --no-cache docker-compose
       - docker-compose config