diff --git a/jsonnet/kube-prometheus/components/alertmanager.libsonnet b/jsonnet/kube-prometheus/components/alertmanager.libsonnet
index bda39ec4c7747ed516b7ea3abb9380b6f4c8f683..910ff7b91f76e913f5cf8e6b620f31c58d3de33b 100644
--- a/jsonnet/kube-prometheus/components/alertmanager.libsonnet
+++ b/jsonnet/kube-prometheus/components/alertmanager.libsonnet
@@ -19,6 +19,7 @@ local defaults = {
     if !std.setMember(labelName, ['app.kubernetes.io/version'])
   },
   name: error 'must provide name',
+  reloaderPort: 8080,
   config: {
     global: {
       resolve_timeout: '5m',
@@ -136,6 +137,7 @@ function(params) {
     spec: {
       ports: [
         { name: 'web', targetPort: 'web', port: 9093 },
+        { name: 'reloader-web', port: am._config.reloaderPort, targetPort: 'reloader-web' },
       ],
       selector: {
         app: 'alertmanager',
@@ -161,6 +163,7 @@ function(params) {
       },
       endpoints: [
         { port: 'web', interval: '30s' },
+        { port: 'reloader-web', interval: '30s' },
       ],
     },
   },
diff --git a/jsonnet/kube-prometheus/components/prometheus.libsonnet b/jsonnet/kube-prometheus/components/prometheus.libsonnet
index 2df12b96100c861707e01829ba8d50cbcca81d89..27367963447e4533b29663759af9cd1811f86ba3 100644
--- a/jsonnet/kube-prometheus/components/prometheus.libsonnet
+++ b/jsonnet/kube-prometheus/components/prometheus.libsonnet
@@ -35,6 +35,7 @@ local defaults = {
     },
   },
   thanos: null,
+  reloaderPort: 8080,
 };
 
 
@@ -98,6 +99,7 @@ function(params) {
     spec: {
       ports: [
                { name: 'web', targetPort: 'web', port: 9090 },
+               { name: 'reloader-web', port: p._config.reloaderPort, targetPort: 'reloader-web' },
              ] +
              (
                if p._config.thanos != null then
@@ -317,10 +319,10 @@ function(params) {
       selector: {
         matchLabels: p._config.selectorLabels,
       },
-      endpoints: [{
-        port: 'web',
-        interval: '30s',
-      }],
+      endpoints: [
+        { port: 'web', interval: '30s' },
+        { port: 'reloader-web', interval: '30s' },
+      ],
     },
   },
 
diff --git a/manifests/alertmanager-service.yaml b/manifests/alertmanager-service.yaml
index f3f6cf719cf900dbbc2affd1a4db6ea6b7c6654d..473e050c950d23bedbd22185a4287eb8836edfd0 100644
--- a/manifests/alertmanager-service.yaml
+++ b/manifests/alertmanager-service.yaml
@@ -14,6 +14,9 @@ spec:
   - name: web
     port: 9093
     targetPort: web
+  - name: reloader-web
+    port: 8080
+    targetPort: reloader-web
   selector:
     alertmanager: main
     app: alertmanager
diff --git a/manifests/alertmanager-serviceMonitor.yaml b/manifests/alertmanager-serviceMonitor.yaml
index 070ef530252d52daf58a62eda46bb1a8116363a8..8d3ca18f6db62d34b90ffedded31a39c5d968dd0 100644
--- a/manifests/alertmanager-serviceMonitor.yaml
+++ b/manifests/alertmanager-serviceMonitor.yaml
@@ -12,6 +12,8 @@ spec:
   endpoints:
   - interval: 30s
     port: web
+  - interval: 30s
+    port: reloader-web
   selector:
     matchLabels:
       alertmanager: main
diff --git a/manifests/prometheus-service.yaml b/manifests/prometheus-service.yaml
index 0b14d9bb514e2edf2a49887bae68afca6f087508..2571bbbf43f873412cb0a082a866b555d6657cc8 100644
--- a/manifests/prometheus-service.yaml
+++ b/manifests/prometheus-service.yaml
@@ -14,6 +14,9 @@ spec:
   - name: web
     port: 9090
     targetPort: web
+  - name: reloader-web
+    port: 8080
+    targetPort: reloader-web
   selector:
     app: prometheus
     app.kubernetes.io/component: prometheus
diff --git a/manifests/prometheus-serviceMonitor.yaml b/manifests/prometheus-serviceMonitor.yaml
index b5282ebf17cf1742dc800e47dc99c5dedaf649f1..71857e2e1b4c10cc9a1135d4d7b5a82d8eaaf564 100644
--- a/manifests/prometheus-serviceMonitor.yaml
+++ b/manifests/prometheus-serviceMonitor.yaml
@@ -12,6 +12,8 @@ spec:
   endpoints:
   - interval: 30s
     port: web
+  - interval: 30s
+    port: reloader-web
   selector:
     matchLabels:
       app.kubernetes.io/component: prometheus