diff --git a/mailcow/src/mailcow-dockerized/data/web/css/flags/4x3/gb.svg b/mailcow/src/mailcow-dockerized/data/web/css/flags/4x3/gb.svg
new file mode 100644
index 0000000..132dbed
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/css/flags/4x3/gb.svg
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-gb" viewBox="0 0 640 480">
+  <path fill="#012169" d="M0 0h640v480H0z"/>
+  <path fill="#FFF" d="M75 0l244 181L562 0h78v62L400 241l240 178v61h-80L320 301 81 480H0v-60l239-178L0 64V0h75z"/>
+  <path fill="#C8102E" d="M424 281l216 159v40L369 281h55zm-184 20l6 35L54 480H0l240-179zM640 0v3L391 191l2-44L590 0h50zM0 0l239 176h-60L0 42V0z"/>
+  <path fill="#FFF" d="M241 0v480h160V0H241zM0 160v160h640V160H0z"/>
+  <path fill="#C8102E" d="M0 193v96h640v-96H0zM273 0v480h96V0h-96z"/>
+</svg>