diff --git a/prometheus-stack/values.yaml b/prometheus-stack/values.yaml
index 404aed68..a66be3f1 100644
--- a/prometheus-stack/values.yaml
+++ b/prometheus-stack/values.yaml
@@ -2533,12 +2533,7 @@ prometheus:
 
     ## Service type
     ##
-    type: LoadBalancer
-
-    ## Port to expose on each node
-    ##
-    nodePort: 30901
-    httpNodePort: 30902
+    type: ClusterIP
 
   ## Configuration for Prometheus service
   ##
diff --git a/prometheus/values.yaml b/prometheus/values.yaml
index 343fac03..a0bc82f3 100644
--- a/prometheus/values.yaml
+++ b/prometheus/values.yaml
@@ -509,7 +509,7 @@ server:
       servicePort: 80
       ## Enable gRPC port on service to allow auto discovery with thanos-querier
       gRPC:
-        enabled: false
+        enabled: true
         servicePort: 10901
         # nodePort: 10901
 
@@ -611,7 +611,7 @@ server:
 
     ## Enable gRPC port on service to allow auto discovery with thanos-querier
     gRPC:
-      enabled: false
+      enabled: true
       servicePort: 10901
       # nodePort: 10901