diff --git a/.github/workflows/linting_testing.yml b/.github/workflows/linting_testing.yml
index 41f0f8738..933b9d943 100644
--- a/.github/workflows/linting_testing.yml
+++ b/.github/workflows/linting_testing.yml
@@ -80,6 +80,7 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get -y install gdal-bin
+          sudo apt install firefox
 
       #----------------------------------------------
       # install your root project