diff --git a/.woodpecker.yml b/.woodpecker.yml
index 4078357..1b57502 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -1,6 +1,6 @@
 pipeline:
   build:
-    image: node:lts-buster@sha256:86853bc87b53623ce8c40fcc0e9dcbdaed64fe7143e178db5735ef1902002d68
+    image: node:lts-buster@sha256:0999271122e2ab1d77c558b72ebfdd20f101469f521f880329eefdeeae4ef898
     commands:
       - npm install
       - npm run build:ssr
diff --git a/Dockerfile b/Dockerfile
index aef40ef..ded8130 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.15.0@sha256:21a3deaa0d32a8057914f36584b5288d2e5ecc984380bc0118285c70fa8c9300
+FROM alpine:3.18.5@sha256:34871e7290500828b39e22294660bee86d966bc0017544e848dd9a255cdf59e0
 
 RUN apk --no-cache add nodejs="14.20.0-r0"
 
diff --git a/src/main.status.ts b/src/main.status.ts
index a973479..64b3a98 100644
--- a/src/main.status.ts
+++ b/src/main.status.ts
@@ -79,6 +79,12 @@ api.post('/update/health', (req, res) => {
     return res.status(401).send('invalid token');
   }
   const serviceId = req.query.service as string;
+  if (!config.groups
+    .map(g => g.services).reduce((x, y) => x.concat(y), [])
+    .map(s => s.id).includes(serviceId)) {
+    // TODO remove old caches
+    return res.send('OK');
+  }
   let services: { id: string, state: string }[] = [];
   if (serviceId) {
     services = [{id: serviceId, state: JSONPath({path: serviceStatePaths[serviceId], json: req.body, wrap: false})}];