diff --git a/bun.lockb b/bun.lockb
index 654e65692..3694be048 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/package.json b/package.json
index f426f3b77..27dd300bd 100644
--- a/package.json
+++ b/package.json
@@ -45,6 +45,7 @@
     "expo-system-ui": "~2.4.0",
     "expo-web-browser": "~12.3.2",
     "expo-webauthn": "workspace:*",
+    "js-base64": "^3.7.5",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-native": "0.72.6",
diff --git a/utils/polyfill.ts b/utils/polyfill.ts
index 9dc9cfabb..84f0f952e 100644
--- a/utils/polyfill.ts
+++ b/utils/polyfill.ts
@@ -1,7 +1,10 @@
+import { atob, btoa } from "js-base64";
 import { TextEncoder } from "text-encoding";
 
 /* eslint-disable @typescript-eslint/no-unnecessary-condition */
 
+global.atob ??= atob;
+global.btoa ??= btoa;
 global.TextEncoder ??= TextEncoder;
 
 if (global.window) {