diff --git a/kubernetes/policy/components/policy-clamp-ac-http-ppnt/values.yaml b/kubernetes/policy/components/policy-clamp-ac-http-ppnt/values.yaml
index 6f60fec..df8896f 100644
--- a/kubernetes/policy/components/policy-clamp-ac-http-ppnt/values.yaml
+++ b/kubernetes/policy/components/policy-clamp-ac-http-ppnt/values.yaml
@@ -64,6 +64,11 @@
 ingress:
   enabled: false
 
+serviceMesh:
+  authorizationPolicy:
+    authorizedPrincipals:
+      - serviceAccount: message-router-read
+
 # probe configuration parameters
 liveness:
   initialDelaySeconds: 20