diff --git a/contrib/for-tests/network-tester/Makefile b/contrib/for-tests/network-tester/Makefile
index 91dc65a29e5..4834679d471 100644
--- a/contrib/for-tests/network-tester/Makefile
+++ b/contrib/for-tests/network-tester/Makefile
@@ -1,6 +1,7 @@
 all: push
 
-TAG = 1.1
+# Set this to the *next* version to prevent accidentally overwriting the existing image.
+TAG = 1.4
 
 webserver: webserver.go
 	CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-w' ./webserver.go
diff --git a/contrib/for-tests/network-tester/webserver.go b/contrib/for-tests/network-tester/webserver.go
index 0cea0c50f4d..384cc9ab9b0 100644
--- a/contrib/for-tests/network-tester/webserver.go
+++ b/contrib/for-tests/network-tester/webserver.go
@@ -206,9 +206,9 @@ func contactOthers(state *State) {
 	masterRO := url.URL{
 		Scheme: "http",
 		Host:   os.Getenv("KUBERNETES_RO_SERVICE_HOST") + ":" + os.Getenv("KUBERNETES_RO_SERVICE_PORT"),
-		Path:   "/api/v1beta1",
+		Path:   "/api/" + latest.Version,
 	}
-	client := &client.Client{client.NewRESTClient(&masterRO, "v1beta1", latest.Codec, true, 5, 10)}
+	client := &client.Client{client.NewRESTClient(&masterRO, latest.Version, latest.Codec, false, 5, 10)}
 
 	// Do this repeatedly, in case there's some propagation delay with getting
 	// newly started pods into the endpoints list.
diff --git a/test/e2e/networking.go b/test/e2e/networking.go
index 401c3f397ef..e3f2f282d13 100644
--- a/test/e2e/networking.go
+++ b/test/e2e/networking.go
@@ -23,8 +23,6 @@ import (
 
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
-	//"github.com/GoogleCloudPlatform/kubernetes/pkg/client/clientcmd"
-	//"github.com/GoogleCloudPlatform/kubernetes/pkg/clientauth"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/fields"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
@@ -57,7 +55,7 @@ func LaunchNetTestPodPerNode(nodes *api.NodeList, name string, c *client.Client,
 				Containers: []api.Container{
 					{
 						Name:  "webserver",
-						Image: "gcr.io/google_containers/nettest:1.1",
+						Image: "gcr.io/google_containers/nettest:1.3",
 						Args: []string{
 							"-service=" + name,
 							//peers >= totalPods should be asserted by the container.