diff --git a/infrastructure/addons/observability/helmrelease-kube-prometheus-stack.yaml b/infrastructure/addons/observability/helmrelease-kube-prometheus-stack.yaml
index 4629b0b..1c103aa 100644
--- a/infrastructure/addons/observability/helmrelease-kube-prometheus-stack.yaml
+++ b/infrastructure/addons/observability/helmrelease-kube-prometheus-stack.yaml
@@ -67,3 +67,7 @@ spec:
       enabled: false
     kubeScheduler:
       enabled: false
+    prometheus-node-exporter:
+      hostNetwork: false
+      service:
+        hostPort: false
diff --git a/infrastructure/addons/observability/helmrelease-loki.yaml b/infrastructure/addons/observability/helmrelease-loki.yaml
index 4763f56..8b08f56 100644
--- a/infrastructure/addons/observability/helmrelease-loki.yaml
+++ b/infrastructure/addons/observability/helmrelease-loki.yaml
@@ -86,6 +86,12 @@ spec:
       enabled: false
     test:
       enabled: false
+    chunksCache:
+      enabled: true
+      allocatedMemory: 128
+    resultsCache:
+      enabled: true
+      allocatedMemory: 128
     monitoring:
       selfMonitoring:
         enabled: false