diff --git a/cert-manager/kustomization.yaml b/cert-manager/kustomization.yaml
index bb1fc58..b17bd78 100644
--- a/cert-manager/kustomization.yaml
+++ b/cert-manager/kustomization.yaml
@@ -4,6 +4,6 @@ kind: Kustomization
 namespace: cert-manager
 
 resources:
-  - github.com/cert-manager/cert-manager/releases/download/v1.16.1/cert-manager.yaml
+  - https://github.com/cert-manager/cert-manager/releases/download/v1.16.1/cert-manager.yaml
   - ./base/mziesel-ca.yaml
   - ./base/cloudflare-clusterissuer.yaml