diff --git a/otterdog/eclipse-cdt.jsonnet b/otterdog/eclipse-cdt.jsonnet
index 8394fba..32d361b 100644
--- a/otterdog/eclipse-cdt.jsonnet
+++ b/otterdog/eclipse-cdt.jsonnet
@@ -66,6 +66,7 @@ orgs.newOrg('eclipse-cdt') {
       ],
     },
     orgs.newRepo('cdt-infra') {
+      archived: true,
       allow_merge_commit: true,
       allow_update_branch: false,
       default_branch: "master",