diff --git a/chart/templates/networkpolicies/allow-sidecar-scraping.yaml b/chart/templates/networkpolicies/allow-sidecar-scraping.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..fe9945442eafd90277818cfcd10f8c2b6cc29540
--- /dev/null
+++ b/chart/templates/networkpolicies/allow-sidecar-scraping.yaml
@@ -0,0 +1,22 @@
+{{- if and .Values.networkPolicies.enabled .Values.istio.enabled }}
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: allow-sidecar-scraping
+  namespace: {{ .Release.Namespace }}
+spec:
+  podSelector: {}
+  policyTypes:
+    - Ingress
+  ingress:
+  - from:
+    - namespaceSelector:
+        matchLabels:
+          app.kubernetes.io/name: monitoring
+      podSelector:
+        matchLabels:
+          app: prometheus
+    ports:
+    - protocol: TCP
+      port: 15020
+{{- end }}