diff --git a/helm/istio-base/values.yaml b/helm/istio-base/values.yaml
index 24b286d..70e18ce 100644
--- a/helm/istio-base/values.yaml
+++ b/helm/istio-base/values.yaml
@@ -44,6 +44,6 @@ _internal_defaults_do_not_set:
     # For istioctl usage to disable istio config crds in base
     enableIstioConfigCRDs: true
 
-  defaultRevision: "default"
+  defaultRevision: "1.30.2"
   experimental:
     stableValidationPolicy: false
diff --git a/helm/istio/values.yaml b/helm/istio/values.yaml
index 0b982df..481d941 100644
--- a/helm/istio/values.yaml
+++ b/helm/istio/values.yaml
@@ -4,7 +4,7 @@ _internal_defaults_do_not_set:
   # Name allows overriding the release name. Generally this should not be set
   name: ""
   # revision declares which revision this gateway is a part of
-  revision: ""
+  revision: "1.30.2"
 
   # Controls the spec.replicas setting for the Gateway deployment if set.
   # Otherwise defaults to Kubernetes Deployment default (1).
diff --git a/helm/istiod/values.yaml b/helm/istiod/values.yaml
index 76e09a3..b1cb82e 100644
--- a/helm/istiod/values.yaml
+++ b/helm/istiod/values.yaml
@@ -207,7 +207,7 @@ _internal_defaults_do_not_set:
       stackdriver:
         enabled: false
   # Revision is set as 'version' label and part of the resource names when installing multiple control planes.
-  revision: ""
+  revision: "1.30.2"
 
   # Revision tags are aliases to Istio control plane revisions
   revisionTags: []