diff --git a/.drone.yml b/.drone.yml
index 0484b41..411492a 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -20,4 +20,4 @@ steps:
   - which git || apk add git
   - which pip || apk add --update python py-pip python-dev
   - which aws || pip install awscli
-  - ./build_upload_all.sh
+  - sh build_upload_all.sh