diff --git a/etc/kayobe/environments/ci-builder/stackhpc-ci.yml b/etc/kayobe/environments/ci-builder/stackhpc-ci.yml
index 9ac2f4c9b..de985f5da 100644
--- a/etc/kayobe/environments/ci-builder/stackhpc-ci.yml
+++ b/etc/kayobe/environments/ci-builder/stackhpc-ci.yml
@@ -101,3 +101,7 @@ stackhpc_release_pulp_password: "{{ stackhpc_docker_registry_password }}"
 ipa_build_images: true
 ipa_build_dib_env_extra:
   DISTRO_NAME: "{{ ipa_ci_builder_distribution | default('ubuntu') }}"
+
+# Ensure Ark repos are disabled during CI runs, this is due to
+# builder being a member of the 'overcloud' group for IPA builds.
+stackhpc_repos_enabled: false