diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index e15beca..7ecab69 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -17,6 +17,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
+        sudo apt-get update
         sudo apt install libgl1-mesa-glx libegl1 libglib2.0-0 libxcb-image0 libxkbcommon-x11-0 libxcb-icccm4 libxcb-keysyms1-dev xserver-xephyr libfontconfig1 libxkbcommon-dev libdbus-1-3
         sudo apt install xvfb
         python -m pip install --upgrade pip