diff --git a/README.md b/README.md
index ddebf30..10046c8 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# GitOps & Obserability Playground with ArgoCD, Kargo.io, Istio and OpenTelemetry
+# GitOps & Observability Playground with ArgoCD, Kargo.io, Istio and OpenTelemetry
 A playground project that demonstrates the collaboration between ArgoCD and Kargo.io.
 
 Kargo.io monitors this GitHub repository, including the GitHub Container Registry, for changes,
diff --git a/local-dev/istio/Tiltfile b/local-dev/istio/Tiltfile
index bdad71c..8ed8ba0 100644
--- a/local-dev/istio/Tiltfile
+++ b/local-dev/istio/Tiltfile
@@ -13,7 +13,7 @@ helm_resource(
   namespace = 'istio-system',
   labels = 'System',
   flags = [
-    '--version=1.28.0',
+    '--version=1.29.1',
     '--create-namespace',
   ],
   auto_init = True,
@@ -29,7 +29,7 @@ helm_resource(
   namespace = 'istio-system',
   labels = 'System',
   flags = [
-    '--version=1.28.0',
+    '--version=1.29.1',
     '--create-namespace',
     '--set=autoscaleEnabled=false',
     '--set=traceSampling=100.0',
@@ -54,7 +54,7 @@ helm_resource(
   namespace = 'istio-gateway',
   labels = 'System',
   flags = [
-    '--version=1.28.0',
+    '--version=1.29.1',
     '--set=autoscaling.enabled=false',
     '--create-namespace',
   ],
diff --git a/local-dev/istio/gateway.yaml b/local-dev/istio/gateway.yaml
index 5eb0164..7c33b99 100644
--- a/local-dev/istio/gateway.yaml
+++ b/local-dev/istio/gateway.yaml
@@ -1,4 +1,4 @@
-apiVersion: networking.istio.io/v1beta1
+apiVersion: networking.istio.io/v1
 kind: Gateway
 metadata:
   name: kubedev-net
diff --git a/manifests/base/frontend/virtualservice.yaml b/manifests/base/frontend/virtualservice.yaml
index 6bc36c1..b6c172a 100644
--- a/manifests/base/frontend/virtualservice.yaml
+++ b/manifests/base/frontend/virtualservice.yaml
@@ -1,4 +1,4 @@
-apiVersion: networking.istio.io/v1beta1
+apiVersion: networking.istio.io/v1
 kind: VirtualService
 metadata:
   name: virtualservice
diff --git a/manifests/base/isolation.yaml b/manifests/base/isolation.yaml
index 343ee00..ad50b0d 100644
--- a/manifests/base/isolation.yaml
+++ b/manifests/base/isolation.yaml
@@ -1,4 +1,4 @@
-apiVersion: security.istio.io/v1beta1
+apiVersion: security.istio.io/v1
 kind: AuthorizationPolicy
 metadata:
   name: isolation