diff --git a/artifacts/helmtester/deployment.yaml b/artifacts/helmtester/deployment.yaml
index 9312fdba..a8906e17 100644
--- a/artifacts/helmtester/deployment.yaml
+++ b/artifacts/helmtester/deployment.yaml
@@ -2,6 +2,7 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: flagger-helmtester
+  namespace: kube-system
   labels:
     app: flagger-helmtester
 spec:
@@ -18,7 +19,7 @@ spec:
       serviceAccountName: tiller
       containers:
         - name: helmtester
-          image: weaveworks/flagger-loadtester:0.4.0-beta.5
+          image: weaveworks/flagger-loadtester:0.4.0
           imagePullPolicy: IfNotPresent
           ports:
             - name: http
diff --git a/artifacts/helmtester/service.yaml b/artifacts/helmtester/service.yaml
index 8903069b..61d8c228 100644
--- a/artifacts/helmtester/service.yaml
+++ b/artifacts/helmtester/service.yaml
@@ -2,6 +2,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: flagger-helmtester
+  namespace: kube-system
   labels:
     app: flagger-helmtester
 spec:
diff --git a/cmd/loadtester/main.go b/cmd/loadtester/main.go
index 9c80880b..962397b1 100644
--- a/cmd/loadtester/main.go
+++ b/cmd/loadtester/main.go
@@ -10,7 +10,7 @@ import (
 	"time"
 )
 
-var VERSION = "0.4.0-beta.5"
+var VERSION = "0.4.0"
 var (
 	logLevel          string
 	port              string