diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 724af252..c7095111 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -48,4 +48,4 @@ jobs:
 
     - name: Run tests
       run: |
-        xvfb-run -a terminator -d -g /dev/null -x cat /dev/null
+        LIBGL_ALWAYS_SOFTWARE=1 xvfb-run -a terminator -d -g /dev/null -x cat /dev/null