diff --git a/renovate.json b/renovate.json
index bb00f410a..8985d7a68 100644
--- a/renovate.json
+++ b/renovate.json
@@ -13,5 +13,13 @@
       "^seichi-onp-k8s/manifests/seichi-kubernetes/apps/.+\\.yaml$",
       "^seichi-onp-k8s/manifests/seichi-kubernetes/kustomize-bases/.+\\.yaml$"
     ]
-  }
+  },
+  "packageRules": [
+    {
+      "matchPackageNames": [
+        "ghcr.io/giganticminecraft/cloudflared-with-auto-dns-route"
+      ],
+      "allowedVersions": "/^sha-[0-9a-f]+$/"
+    }
+  ]
 }
\ No newline at end of file