diff --git a/package-lock.json b/package-lock.json
index 60f0a0f8e623..50dddde13f89 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -39,7 +39,6 @@
         "swagger-ui-dist": "4.15.5",
         "tippy.js": "6.3.7",
         "tributejs": "5.1.3",
-        "uint8-to-base64": "0.2.0",
         "vue": "3.2.45",
         "vue-bar-graph": "2.0.0",
         "vue-loader": "17.0.1",
@@ -8856,11 +8855,6 @@
       "integrity": "sha512-boAm74ubXHY7KJQZLlXrtMz52qFvpsbOxDcZOnw/Wf+LS4Mmyu7JxmzD4tDLtUQtmZECypJ0FrCz4QIe6dvKRA==",
       "dev": true
     },
-    "node_modules/uint8-to-base64": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/uint8-to-base64/-/uint8-to-base64-0.2.0.tgz",
-      "integrity": "sha512-r13jrghEYZAN99GeYpEjM107DOxqB65enskpwce8rRHVAGEtaWmsF5GqoGdPMf8DIXc9XyAJTdvlvRZi4LsszA=="
-    },
     "node_modules/unbox-primitive": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/unbox-primitive/-/unbox-primitive-1.0.2.tgz",
@@ -16366,11 +16360,6 @@
       "integrity": "sha512-boAm74ubXHY7KJQZLlXrtMz52qFvpsbOxDcZOnw/Wf+LS4Mmyu7JxmzD4tDLtUQtmZECypJ0FrCz4QIe6dvKRA==",
       "dev": true
     },
-    "uint8-to-base64": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/uint8-to-base64/-/uint8-to-base64-0.2.0.tgz",
-      "integrity": "sha512-r13jrghEYZAN99GeYpEjM107DOxqB65enskpwce8rRHVAGEtaWmsF5GqoGdPMf8DIXc9XyAJTdvlvRZi4LsszA=="
-    },
     "unbox-primitive": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/unbox-primitive/-/unbox-primitive-1.0.2.tgz",
diff --git a/package.json b/package.json
index 842804211cf8..7821fbb58005 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,6 @@
     "swagger-ui-dist": "4.15.5",
     "tippy.js": "6.3.7",
     "tributejs": "5.1.3",
-    "uint8-to-base64": "0.2.0",
     "vue": "3.2.45",
     "vue-bar-graph": "2.0.0",
     "vue-loader": "17.0.1",
diff --git a/web_src/js/features/user-auth-webauthn.js b/web_src/js/features/user-auth-webauthn.js
index f11a49864ded..c86f6314edf5 100644
--- a/web_src/js/features/user-auth-webauthn.js
+++ b/web_src/js/features/user-auth-webauthn.js
@@ -1,8 +1,19 @@
 import $ from 'jquery';
-import {encode, decode} from 'uint8-to-base64';
 
 const {appSubUrl, csrfToken} = window.config;
 
+function encodeToBase64(toEncode) {
+  const output = [];
+  for (let i = 0; i < toEncode.length; i++) {
+    output.push(String.fromCharCode(toEncode[i]));
+  }
+  return window.btoa(output.join(''));
+}
+
+function decodeFromBase64(toDecode) {
+  return Uint8Array.from(window.atob(toDecode), (c) => c.charCodeAt(0));
+}
+
 export function initUserAuthWebAuthn() {
   if ($('.user.signin.webauthn-prompt').length === 0) {
     return;
@@ -14,9 +25,9 @@ export function initUserAuthWebAuthn() {
 
   $.getJSON(`${appSubUrl}/user/webauthn/assertion`, {})
     .done((makeAssertionOptions) => {
-      makeAssertionOptions.publicKey.challenge = decode(makeAssertionOptions.publicKey.challenge);
+      makeAssertionOptions.publicKey.challenge = decodeFromBase64(makeAssertionOptions.publicKey.challenge);
       for (let i = 0; i < makeAssertionOptions.publicKey.allowCredentials.length; i++) {
-        makeAssertionOptions.publicKey.allowCredentials[i].id = decode(makeAssertionOptions.publicKey.allowCredentials[i].id);
+        makeAssertionOptions.publicKey.allowCredentials[i].id = decodeFromBase64(makeAssertionOptions.publicKey.allowCredentials[i].id);
       }
       navigator.credentials.get({
         publicKey: makeAssertionOptions.publicKey
@@ -87,7 +98,7 @@ function verifyAssertion(assertedCredential) {
 
 // Encode an ArrayBuffer into a base64 string.
 function bufferEncode(value) {
-  return encode(value)
+  return encodeToBase64(value)
     .replace(/\+/g, '-')
     .replace(/\//g, '_')
     .replace(/=/g, '');
@@ -184,11 +195,11 @@ function webAuthnRegisterRequest() {
   }).done((makeCredentialOptions) => {
     $('#nickname').closest('div.field').removeClass('error');
 
-    makeCredentialOptions.publicKey.challenge = decode(makeCredentialOptions.publicKey.challenge);
-    makeCredentialOptions.publicKey.user.id = decode(makeCredentialOptions.publicKey.user.id);
+    makeCredentialOptions.publicKey.challenge = decodeFromBase64(makeCredentialOptions.publicKey.challenge);
+    makeCredentialOptions.publicKey.user.id = decodeFromBase64(makeCredentialOptions.publicKey.user.id);
     if (makeCredentialOptions.publicKey.excludeCredentials) {
       for (let i = 0; i < makeCredentialOptions.publicKey.excludeCredentials.length; i++) {
-        makeCredentialOptions.publicKey.excludeCredentials[i].id = decode(makeCredentialOptions.publicKey.excludeCredentials[i].id);
+        makeCredentialOptions.publicKey.excludeCredentials[i].id = decodeFromBase64(makeCredentialOptions.publicKey.excludeCredentials[i].id);
       }
     }