diff --git a/app/javascript/app/components/modal.js b/app/javascript/app/components/modal.js
index 2676f67bb52..5dedaa163a8 100644
--- a/app/javascript/app/components/modal.js
+++ b/app/javascript/app/components/modal.js
@@ -1,4 +1,4 @@
-import 'classlist.js';
+import 'classlist-polyfill';
 import { createFocusTrap } from 'focus-trap';
 import Events from '../utils/events';
 
diff --git a/app/javascript/app/i18n-dropdown.js b/app/javascript/app/i18n-dropdown.js
index 3f1c62881f9..12e43e9dd18 100644
--- a/app/javascript/app/i18n-dropdown.js
+++ b/app/javascript/app/i18n-dropdown.js
@@ -1,4 +1,4 @@
-import 'classlist.js';
+import 'classlist-polyfill';
 
 document.addEventListener('DOMContentLoaded', () => {
   const mobileLink = document.querySelector('.i18n-mobile-toggle > a');
diff --git a/app/javascript/app/radio-btn.js b/app/javascript/app/radio-btn.js
index af144cd0853..a09b2dc7476 100644
--- a/app/javascript/app/radio-btn.js
+++ b/app/javascript/app/radio-btn.js
@@ -1,4 +1,4 @@
-import 'classlist.js';
+import 'classlist-polyfill';
 
 function clearHighlight(name) {
   const radioGroup = document.querySelectorAll(`input[name='${name}']`);
diff --git a/package.json b/package.json
index 2d9d9fdcc8b..afa73ced6e2 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "dependencies": {
     "base32-crockford-browser": "^1.0.0",
     "basscss-sass": "^3.0.0",
-    "classlist.js": "^1.1.20150312",
+    "classlist-polyfill": "^1.2.0",
     "cleave.js": "^1.5.3",
     "clipboard": "^1.6.1",
     "focus-trap": "^6.0.1",
diff --git a/yarn.lock b/yarn.lock
index 5d630aef5c7..825b7d030fa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2534,11 +2534,6 @@ classlist-polyfill@^1.0.3, classlist-polyfill@^1.2.0:
   resolved "https://registry.yarnpkg.com/classlist-polyfill/-/classlist-polyfill-1.2.0.tgz#935bc2dfd9458a876b279617514638bcaa964a2e"
   integrity sha1-k1vC39lFiodrJ5YXUUY4vKqWSi4=
 
-classlist.js@^1.1.20150312:
-  version "1.1.20150312"
-  resolved "https://registry.yarnpkg.com/classlist.js/-/classlist.js-1.1.20150312.tgz#1d70842f7022f08d9ac086ce69e5b250f2c57789"
-  integrity sha1-HXCEL3Ai8I2awIbOaeWyUPLFd4k=
-
 clean-stack@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/clean-stack/-/clean-stack-2.2.0.tgz#ee8472dbb129e727b31e8a10a427dee9dfe4008b"