diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 6daed5c..b30bb10 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -14,6 +14,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6
 
+      - name: Install firefox runtime dependencies
+        run: sudo apt-get update && sudo apt-get install -y libgtk-3-0
+
       - name: Setup Firefox
         uses: browser-actions/setup-firefox@v1