diff --git a/ci-automation/image_changes.sh b/ci-automation/image_changes.sh
index 13691d6860..6fc25c12a6 100644
--- a/ci-automation/image_changes.sh
+++ b/ci-automation/image_changes.sh
@@ -97,6 +97,7 @@ function image_changes() (
     rm -rf "${fbs_repo}"
     git clone \
         --depth 1 \
+        --single-branch \
         "https://github.com/flatcar/flatcar-build-scripts" \
         "${fbs_repo}"
     if [[ -z "${BUILDCACHE_SERVER:-}" ]]; then