diff --git a/packages/plugins/i18n/server/constants/iso-locales.json b/packages/plugins/i18n/server/constants/iso-locales.json
index cb786f6953..452ecede50 100644
--- a/packages/plugins/i18n/server/constants/iso-locales.json
+++ b/packages/plugins/i18n/server/constants/iso-locales.json
@@ -1259,6 +1259,10 @@
     "code":"mer-KE",
     "name":"Meru (Kenya) (mer-KE)"
   },
+  {
+    "code":"mn",
+    "name":"Mongolia (mn)"
+  },
   {
     "code":"mfe",
     "name":"Morisyen (mfe)"