diff --git a/.drone.yml b/.drone.yml
index e431dec..7694bf1 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -12,7 +12,8 @@ steps:
   - name: run update.sh
     image: alpine/git
     commands:
-      - sh update.sh
+      - apk -Uuv add bash
+      - bash update.sh
 
   - name: build 16.0 image
     image: plugins/docker