diff --git a/ci/pipeline.yml b/ci/pipeline.yml
index 51b08a7..39fe548 100644
--- a/ci/pipeline.yml
+++ b/ci/pipeline.yml
@@ -25,6 +25,7 @@ resources:
     fetch_tags: true
 - name: upstream-image
   type: registry-image
+  check_every: 6h
   source:
     repository: alpine
 - name: image