diff --git a/complete-fix.yml b/complete-fix.yml
new file mode 100644
index 0000000000..ad6053e68d
--- /dev/null
+++ b/complete-fix.yml
@@ -0,0 +1,8 @@
+collectors:
+  gateway:
+    config:
+      service:
+        pipelines:
+          metrics/aggregated-otel-metrics:
+            processors: []
+
diff --git a/demo.sh b/demo.sh
index f2fb66dce4..2bbead07ac 100755
--- a/demo.sh
+++ b/demo.sh
@@ -15,7 +15,7 @@ DEMO_HELM_VERSION='0.38.3'
 
 KUBE_STACK_RELEASE="opentelemetry-kube-stack"
 KUBE_STACK_CHART="open-telemetry/opentelemetry-kube-stack"
-KUBE_STACK_VERSION='0.10.5'
+KUBE_STACK_VERSION='0.12.4'
 KUBE_STACK_VALUES_URL_CLOUD='https://raw.githubusercontent.com/elastic/elastic-agent/refs/tags/v'$ELASTIC_STACK_VERSION'/deploy/helm/edot-collector/kube-stack/values.yaml'
 KUBE_STACK_VALUES_URL_SERVERLESS='https://raw.githubusercontent.com/elastic/elastic-agent/refs/tags/v'$ELASTIC_STACK_VERSION'/deploy/helm/edot-collector/kube-stack/managed_otlp/values.yaml'
 SECRET_NAME='elastic-secret-otel'
@@ -177,6 +177,7 @@ install_kube_stack() {
   helm upgrade --install "$KUBE_STACK_RELEASE" "$KUBE_STACK_CHART" \
     --namespace "$NAMESPACE" \
     --values "$VALUES_URL" \
+    --values complete-fix.yml \
     --version "$KUBE_STACK_VERSION"
 }