diff --git a/build_library/dev_container_util.sh b/build_library/dev_container_util.sh
index 7c228cae60..6257befde9 100755
--- a/build_library/dev_container_util.sh
+++ b/build_library/dev_container_util.sh
@@ -39,12 +39,12 @@ disabled = true
 [coreos]
 location = /var/lib/portage/coreos-overlay
 sync-type = git
-sync-uri = https://github.com/coreos/coreos-overlay.git
+sync-uri = https://github.com/flatcar-linux/coreos-overlay.git
 
 [portage-stable]
 location = /var/lib/portage/portage-stable
 sync-type = git
-sync-uri = https://github.com/coreos/portage-stable.git
+sync-uri = https://github.com/flatcar-linux/portage-stable.git
 EOF
 
     # Now set the correct profile