diff --git a/bootstrap/system-upgrades/kustomization.yaml b/bootstrap/system-upgrades/kustomization.yaml
index 077cfb2bb1315808d1e780546e3f577708350166..1d4f5c1d36a1bbdc228632ed92bee541151cdda8 100644
--- a/bootstrap/system-upgrades/kustomization.yaml
+++ b/bootstrap/system-upgrades/kustomization.yaml
@@ -2,4 +2,4 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 namespace: system-upgrade
 resources:
-  - https://git.shivering-isles.com/github-mirror/rancher/system-upgrade-controller/-/raw/v0.8.1/manifests/system-upgrade-controller.yaml
+  - git.shivering-isles.com/github-mirror/rancher/system-upgrade-controller//manifests/system-upgrade-controller.yaml?ref=v0.8.1