diff --git a/.travis.yml b/.travis.yml
index a383bc5..3135249 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,8 @@ python:
   - "3.6"
 env:
   - DISPLAY=:99.0
-before_install:
-  - sh -e /etc/init.d/xvfb start
+services:
+  - xvfb
 install:
   - pip install python-dateutil
   - pip install cryptography
@@ -12,7 +12,7 @@ install:
   - pip install pyqt5
   - pip install pytz
   - pip install lxml
-  - git clone https://github.com/FreeOpcUa/python-opcua.git 
-  - git clone https://github.com/FreeOpcUa/opcua-widgets.git 
+  - pip install opcua
+  - pip install opcua-widgets
 # command to run tests
 script: pytest -v