diff --git a/artifacts/helmtester/deployment.yaml b/artifacts/helmtester/deployment.yaml
index 9df3f130..9312fdba 100644
--- a/artifacts/helmtester/deployment.yaml
+++ b/artifacts/helmtester/deployment.yaml
@@ -18,7 +18,7 @@ spec:
       serviceAccountName: tiller
       containers:
         - name: helmtester
-          image: weaveworks/flagger-loadtester:0.4.0-beta.2
+          image: weaveworks/flagger-loadtester:0.4.0-beta.5
           imagePullPolicy: IfNotPresent
           ports:
             - name: http