diff --git a/clusters/ugok/flux-system/gotk-sync.yaml b/clusters/ugok/flux-system/gotk-sync.yaml
index a1e9527..2557027 100644
--- a/clusters/ugok/flux-system/gotk-sync.yaml
+++ b/clusters/ugok/flux-system/gotk-sync.yaml
@@ -10,6 +10,8 @@ spec:
   url: https://gitea.sarex.ugok.lan/infra/iac.git
   secretRef:
     name: flux-system
+  certSecretRef:
+    name: gitea-ca
 ---
 apiVersion: kustomize.toolkit.fluxcd.io/v1
 kind: Kustomization