diff --git a/jobs/tools/dockerfiles.yaml b/jobs/tools/dockerfiles.yaml
index 2de679c..d4a7ee7 100644
--- a/jobs/tools/dockerfiles.yaml
+++ b/jobs/tools/dockerfiles.yaml
@@ -1,19 +1,20 @@
 - 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'
+    auth-token: 'ph4br1cat0r'
     properties:
       - build-discarder:
           days-to-keep: 7
     wrappers:
       - timestamps
       - ansicolor
     builders:
       - shell: make checkrebuild all