diff --git a/.drone.yml b/.drone.yml
index d82c9e7..d5c6dd8 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -5,6 +5,7 @@ steps:
 - name: test
   image: rust:1-alpine
   commands:
+  - apk add --no-cache musl-dev
   - cargo build --verbose --all
   - cargo test --verbose --all