diff --git a/package.json b/package.json
index 38980bbd08..b2db361749 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "diffhtml": "^1.0.0-beta.20",
     "eslint-config-discourse": "^3.3.0",
     "magnific-popup": "1.1.0",
-    "moment": "2.29.2",
+    "moment": "2.29.4",
     "moment-timezone": "0.5.31",
     "pikaday": "1.8.0",
     "squoosh": "discourse/squoosh#dc9649d",
diff --git a/vendor/assets/javascripts/moment-locale/sr-cyrl.js b/vendor/assets/javascripts/moment-locale/sr-cyrl.js
index 0ff96f6557..9da10fa60d 100644
--- a/vendor/assets/javascripts/moment-locale/sr-cyrl.js
+++ b/vendor/assets/javascripts/moment-locale/sr-cyrl.js
@@ -38,7 +38,8 @@
             return wordKey[2];
         },
         translate: function (number, withoutSuffix, key, isFuture) {
-            var wordKey = translator.words[key];
+            var wordKey = translator.words[key],
+                word;
 
             if (key.length === 1) {
                 // Nominativ
@@ -46,7 +47,7 @@
                 return isFuture || withoutSuffix ? wordKey[0] : wordKey[1];
             }
 
-            const word = translator.correctGrammaticalCase(number, wordKey);
+            word = translator.correctGrammaticalCase(number, wordKey);
             // Nominativ
             if (key === 'yy' && withoutSuffix && word === 'годину') {
                 return number + ' година';
diff --git a/vendor/assets/javascripts/moment-locale/sr.js b/vendor/assets/javascripts/moment-locale/sr.js
index 8f2e935016..8f53e7ccf6 100644
--- a/vendor/assets/javascripts/moment-locale/sr.js
+++ b/vendor/assets/javascripts/moment-locale/sr.js
@@ -38,7 +38,8 @@
             return wordKey[2];
         },
         translate: function (number, withoutSuffix, key, isFuture) {
-            var wordKey = translator.words[key];
+            var wordKey = translator.words[key],
+                word;
 
             if (key.length === 1) {
                 // Nominativ
@@ -46,7 +47,7 @@
                 return isFuture || withoutSuffix ? wordKey[0] : wordKey[1];
             }
 
-            const word = translator.correctGrammaticalCase(number, wordKey);
+            word = translator.correctGrammaticalCase(number, wordKey);
             // Nominativ
             if (key === 'yy' && withoutSuffix && word === 'godinu') {
                 return number + ' godina';
diff --git a/vendor/assets/javascripts/moment.js b/vendor/assets/javascripts/moment.js
index 2e559835a0..05a63b1413 100644
--- a/vendor/assets/javascripts/moment.js
+++ b/vendor/assets/javascripts/moment.js
@@ -1,5 +1,5 @@
 //! moment.js
-//! version : 2.29.2
+//! version : 2.29.4
 //! authors : Tim Wood, Iskren Chernev, Moment.js contributors
 //! license : MIT
 //! momentjs.com
@@ -2454,7 +2454,7 @@
     function preprocessRFC2822(s) {
         // Remove comments and folding whitespace and replace multiple-spaces with a single space
         return s
-            .replace(/\([^)]*\)|[\n\t]/g, ' ')
+            .replace(/\([^()]*\)|[\n\t]/g, ' ')
             .replace(/(\s\s+)/g, ' ')
             .replace(/^\s\s*/, '')
             .replace(/\s\s*$/, '');
@@ -5635,7 +5635,7 @@
 
     //! moment.js
 
-    hooks.version = '2.29.2';
+    hooks.version = '2.29.4';
 
     setHookCallback(createLocal);
 
diff --git a/yarn.lock b/yarn.lock
index 2fb5c4feac..e26b2b8ab2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1774,10 +1774,10 @@ moment-timezone@0.5.31:
   dependencies:
     moment ">= 2.9.0"
 
-moment@2.29.2, "moment@>= 2.9.0":
-  version "2.29.2"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.2.tgz#00910c60b20843bcba52d37d58c628b47b1f20e4"
-  integrity sha512-UgzG4rvxYpN15jgCmVJwac49h9ly9NurikMWGPdVxm8GZD6XjkKPxDTjQQ43gtGgnV3X0cAyWDdP2Wexoquifg==
+moment@2.29.4, "moment@>= 2.9.0":
+  version "2.29.4"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.4.tgz#3dbe052889fe7c1b2ed966fcb3a77328964ef108"
+  integrity sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w==
 
 ms@2.0.0:
   version "2.0.0"