diff --git a/mailcow/src/mailcow-dockerized/data/web/css/flags/4x3/sr.svg b/mailcow/src/mailcow-dockerized/data/web/css/flags/4x3/sr.svg
new file mode 100644
index 0000000..9a169fd
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/css/flags/4x3/sr.svg
@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-sr" viewBox="0 0 640 480">
+  <path fill="#377e3f" d="M.1 0h640v480H.1z"/>
+  <path fill="#fff" d="M.1 96h640v288H.1z"/>
+  <path fill="#b40a2d" d="M.1 144h640v192H.1z"/>
+  <path fill="#ecc81d" d="M320 153.2l56.4 173.6-147.7-107.3h182.6L263.6 326.8z"/>
+</svg>