diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index b830222..0551925 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -20,6 +20,14 @@ jobs:
       uses: actions/setup-python@v2
       with:
         python-version: 3.6
+    - name: setup
+      env:
+        DISPLAY: ':99.0'
+      run: |
+        sudo apt install libxkbcommon-x11-0 libxcb-icccm4 libxcb-image0 libxcb-keysyms1 libxcb-randr0 libxcb-render-util0
+        sudo apt install libxcb-xinerama0 libxcb-xfixes0
+        /sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :99 -screen 0 1920x1200x24 -ac +extension GLX
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
@@ -33,5 +41,4 @@ jobs:
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Test with pytest
       run: |
-        sudo apt-get install libxkbcommon-x11-0 libxcb-icccm4 libxcb-image0 libxcb-keysyms1 libxcb-randr0 libxcb-render-util0 libxcb-xinerama0 libxcb-xfixes0
         pytest