diff --git a/clusters/k8s01/flux-system/gotk-sync.yaml b/clusters/k8s01/flux-system/gotk-sync.yaml
index 43636b6b16cd23f7afb52cb3b6ebca894c12a1db..6cc20098ace7b90aaa9c32a6e47e8b2768173a64 100644
--- a/clusters/k8s01/flux-system/gotk-sync.yaml
+++ b/clusters/k8s01/flux-system/gotk-sync.yaml
@@ -11,6 +11,10 @@ spec:
   secretRef:
     name: flux-system
   url: ssh://git@git.shivering-isles.com:2222/shivering-isles/infrastructure-gitops
+  verify:
+    mode: head
+    secretRef:
+      name: pgp-public-keys
 ---
 apiVersion: kustomize.toolkit.fluxcd.io/v1beta1
 kind: Kustomization