diff --git a/.drone.yml b/.drone.yml
index db544ce..cd0d54a 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -14,9 +14,9 @@ steps:
           - tag
 
   - name: shellcheck
-    image: koalaman/shellcheck
+    image: koalaman/shellcheck-alpine:stable
     commands:
-      - shellcheck app.sh
+      - "find . -name *.sh -exec shellcheck {} +"
     when:
       event:
         exclude: