diff --git a/.drone.yml b/.drone.yml
index 8f38e53..797c3d2 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -5,7 +5,7 @@ name: lint
 
 steps:
   - name: ShellCheck
-    image: koalaman/shellcheck-alpine:0.7.1
+    image: koalaman/shellcheck-alpine:v0.7.1
     commands:
       - shellcheck pdf-optimize
 ...