diff --git a/config/artifact-caching-proxy_azure-aks.yaml b/config/artifact-caching-proxy_azure-aks.yaml
index c90fc378ba..0e36584b07 100644
--- a/config/artifact-caching-proxy_azure-aks.yaml
+++ b/config/artifact-caching-proxy_azure-aks.yaml
@@ -45,3 +45,4 @@ replicaCount: 2
 
 proxy:
   dnsResolver: "kube-dns.kube-system.svc.cluster.local 9.9.9.9"
+  proxySslServerNameEnabled: true # Pass SNI to upstreams