diff --git a/lang/mn-MN.json b/lang/mn-MN.json
index 0fb01353..1796a7d4 100644
--- a/lang/mn-MN.json
+++ b/lang/mn-MN.json
@@ -5,6 +5,7 @@
   "label.administrator": "Админ",
   "label.all": "Бүх",
   "label.all-websites": "Бүх вебүүд",
+  "label.all-events": "Бүх үйл явдал",
   "label.back": "Буцах",
   "label.cancel": "Цуцлах",
   "label.change-password": "Нууц үг солих",
diff --git a/lib/lang.js b/lib/lang.js
index b62211d6..a6f54e56 100644
--- a/lib/lang.js
+++ b/lib/lang.js
@@ -14,6 +14,7 @@ import {
   id,
   it,
   ja,
+  mn,
   ms,
   nb,
   nl,
@@ -111,7 +112,7 @@ export const dateLocales = {
   'ja-JP': ja,
   'es-MX': es,
   'fr-FR': fr,
-  'mn-MN': enUS,
+  'mn-MN': mn,
   'el-GR': el,
   'fo-FO': da,
   'pt-PT': pt,
diff --git a/package.json b/package.json
index 0924fde8..45f62b95 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "classnames": "^2.3.1",
     "cookie": "^0.4.1",
     "cors": "^2.8.5",
-    "date-fns": "^2.16.1",
+    "date-fns": "^2.21.3",
     "date-fns-tz": "^1.0.12",
     "detect-browser": "^5.2.0",
     "dotenv": "^8.2.0",
diff --git a/yarn.lock b/yarn.lock
index b9e73bde..7b644ffb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2952,10 +2952,10 @@ date-fns-tz@^1.0.12:
   resolved "https://registry.yarnpkg.com/date-fns-tz/-/date-fns-tz-1.0.12.tgz#2d680e1099767775cff7a30eac34362d52639fed"
   integrity sha512-Ca+9pjGkU90XDHnclfSjz9o7g/ZqyYyYI0aCYmbf65P75oy8gktuaRslO3UPXl3ADgAnF9/KCykQkpU3/xvtWQ==
 
-date-fns@^2.16.1:
-  version "2.16.1"
-  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.16.1.tgz#05775792c3f3331da812af253e1a935851d3834b"
-  integrity sha512-sAJVKx/FqrLYHAQeN7VpJrPhagZc9R4ImZIWYRFZaaohR3KzmuK88touwsSwSVT8Qcbd4zoDsnGfX4GFB4imyQ==
+date-fns@^2.21.3:
+  version "2.21.3"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.21.3.tgz#8f5f6889d7a96bbcc1f0ea50239b397a83357f9b"
+  integrity sha512-HeYdzCaFflc1i4tGbj7JKMjM4cKGYoyxwcIIkHzNgCkX8xXDNJDZXgDDVchIWpN4eQc3lH37WarduXFZJOtxfw==
 
 debounce@^1.2.0:
   version "1.2.0"