diff --git a/openvidu-testapp/docker/create_image.sh b/openvidu-testapp/docker/create_image.sh
index 6899a53d..f4f87f96 100755
--- a/openvidu-testapp/docker/create_image.sh
+++ b/openvidu-testapp/docker/create_image.sh
@@ -7,9 +7,6 @@ ng build
 cp -a dist/. ./docker/web/
 cd docker
 
-# Modify WebSocket protocol in app.js for allowing both ngrok and localhost connections
-sed -i 's/OV\.initSession("wss:\/\/"/OV\.initSession("ws:\/\/"/g' ./web/app.js
-
 # Build docker image
 docker build -t openvidu/testapp .
 
diff --git a/openvidu-testapp/package.json b/openvidu-testapp/package.json
index 7988cfe7..80a55ec2 100644
--- a/openvidu-testapp/package.json
+++ b/openvidu-testapp/package.json
@@ -16,7 +16,7 @@
         "core-js": "^2.4.1", 
         "hammerjs": "^2.0.8", 
         "openvidu-browser": "2.0.0", 
-        "openvidu-node-client": "1.8.0", 
+        "openvidu-node-client": "2.0.0", 
         "rxjs": "^5.4.2", 
         "zone.js": "^0.8.14"
     }, 
@@ -53,4 +53,4 @@
         "test": "ng test"
     }, 
     "version": "2.0.0"
-}
\ No newline at end of file
+}