diff --git a/jobs/tools/dockerfiles.yaml b/jobs/tools/dockerfiles.yaml
index 02e5b9d..caabe1b 100644
--- a/jobs/tools/dockerfiles.yaml
+++ b/jobs/tools/dockerfiles.yaml
@@ -1,17 +1,18 @@
 - job:
     name: jenkins-tools/swh-jenkins-dockerfiles
     node: master
     scm:
       - git:
           url: http://forge.softwareheritage.org/source/swh-jenkins-dockerfiles.git
           wipe-workspace: false
     triggers:
       - pollscm:
           cron: "H/30 * * * *"
+      - timed: '@daily'
     build-discarder:
       num-to-keep: 50
     wrappers:
       - timestamps
       - ansicolor
     builders:
-      - shell: make all
+      - shell: make checkrebuild all