diff --git a/nodepool/nodepool.yaml b/nodepool/nodepool.yaml
index 08b47772a1..034200310e 100644
--- a/nodepool/nodepool.yaml
+++ b/nodepool/nodepool.yaml
@@ -5,7 +5,7 @@ images-dir: /opt/nodepool_dib
 cron:
   cleanup: '*/1 * * * *'
   check: '*/15 * * * *'
-  image-update: '14 14 * * *'
+  image-update: '14 14 * * 2'
 
 zmq-publishers:
   - tcp://jenkins01.openstack.org:8888