diff --git a/src/core/utils.js b/src/core/utils.js
index ad85013fed41d58176602aa3f0869c758cba64ba..ff840e4e4db4f4cfbb08702831ff1c6843f7ae05 100644
--- a/src/core/utils.js
+++ b/src/core/utils.js
@@ -623,7 +623,7 @@ export const btoa = (str) => {
   if (str instanceof Buffer) {
     buffer = str
   } else {
-    buffer = new Buffer(str.toString(), "utf-8")
+    buffer = Buffer.from(str.toString(), "utf-8")
   }
 
   return buffer.toString("base64")