diff --git a/.drone.yml b/.drone.yml
index 90d7f08..9f030d5 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -5,5 +5,6 @@ steps:
     - name: check
       image: ubuntu:18.04
       commands:
-          - apt install shellcheck
+          - apt-get update
+          - apt-get install shellcheck
           - shellcheck bin/*