diff --git a/.gitea/workflows/test.yaml b/.gitea/workflows/test.yaml
index b04b338..6aa694f 100644
--- a/.gitea/workflows/test.yaml
+++ b/.gitea/workflows/test.yaml
@@ -9,7 +9,7 @@ jobs:
         run: |
           apt-get update
           apt-get install -yq --no-install-suggests --no-install-recommends \
-          xauth xvfb
+          xauth xvfb firefox-esr
       - name: Check out repository code
         uses: actions/checkout@v3
       - name: Install