diff --git a/Containerfile b/Containerfile
index 2120056..8179432 100644
--- a/Containerfile
+++ b/Containerfile
@@ -23,6 +23,7 @@
 # Because it's generating a base image and uses containerbuildcontextization features itself.
 # In the future some of this can be lifted.
 
+# renovate: datasource=endoflife-date depName=fedora versioning=docker
 FROM quay.io/fedora/fedora:40 as repos
 
 FROM quay.io/centos-bootc/bootc-image-builder:latest as builder