diff --git a/.github/workflows/screenshotter.yml b/.github/workflows/screenshotter.yml
index 7cd4b6b9..b9cdacbe 100644
--- a/.github/workflows/screenshotter.yml
+++ b/.github/workflows/screenshotter.yml
@@ -16,7 +16,7 @@ jobs:
         - browser: chrome
           image: selenium/standalone-chrome:3.141.59-20210422
         - browser: firefox
-          image: selenium/standalone-firefox:3.141.59-20210422
+          image: selenium/standalone-firefox:3.141.59-20210929
         - browser: safari
           image: ylemkimon/selenium-proxy:latest
           browserstack:
diff --git a/dockers/screenshotter/screenshotter.sh b/dockers/screenshotter/screenshotter.sh
index 5230bd74..b9b7cda8 100755
--- a/dockers/screenshotter/screenshotter.sh
+++ b/dockers/screenshotter/screenshotter.sh
@@ -17,7 +17,7 @@ cleanup() {
 container=
 trap cleanup EXIT
 status=0
-for browserTag in "firefox:3.141.59-20210422" "chrome:3.141.59-20210422"; do
+for browserTag in "firefox:3.141.59-20210929" "chrome:3.141.59-20210422"; do
     browser=${browserTag%:*}
     image=selenium/standalone-${browserTag}
     echo "Starting container for ${image}"
diff --git a/test/screenshotter/images/HorizontalBraces-firefox.png b/test/screenshotter/images/HorizontalBraces-firefox.png
index 08ba7ef9..1c089440 100644
Binary files a/test/screenshotter/images/HorizontalBraces-firefox.png and b/test/screenshotter/images/HorizontalBraces-firefox.png differ
diff --git a/test/screenshotter/images/Lap-firefox.png b/test/screenshotter/images/Lap-firefox.png
index e0fd68a2..071778fe 100644
Binary files a/test/screenshotter/images/Lap-firefox.png and b/test/screenshotter/images/Lap-firefox.png differ
diff --git a/test/screenshotter/images/Raisebox-firefox.png b/test/screenshotter/images/Raisebox-firefox.png
index be4c6590..e598cfb9 100644
Binary files a/test/screenshotter/images/Raisebox-firefox.png and b/test/screenshotter/images/Raisebox-firefox.png differ
diff --git a/test/screenshotter/images/SvgReset-firefox.png b/test/screenshotter/images/SvgReset-firefox.png
index d5c1037d..dda90887 100644
Binary files a/test/screenshotter/images/SvgReset-firefox.png and b/test/screenshotter/images/SvgReset-firefox.png differ