diff --git a/snippets/atob.md b/snippets/atob.md
index e7fa6d167..ce01ec1e2 100644
--- a/snippets/atob.md
+++ b/snippets/atob.md
@@ -5,7 +5,7 @@ Decodes a string of data which has been encoded using base-64 encoding.
 Create a `Buffer` for the given string with base-64 encoding and use `Buffer.toString('binary')` to return the decoded string.
 
 ```js
-const atob = str => new Buffer(str, 'base64').toString('binary');
+const atob = str => Buffer.from(str, 'base64').toString('binary');
 ```
 
 ```js
diff --git a/snippets/btoa.md b/snippets/btoa.md
index 970cee770..d24508e50 100644
--- a/snippets/btoa.md
+++ b/snippets/btoa.md
@@ -5,7 +5,7 @@ Creates a base-64 encoded ASCII string from a String object in which each charac
 Create a `Buffer` for the given string with binary encoding and use `Buffer.toString('base64')` to return the encoded string.
 
 ```js
-const btoa = str => new Buffer(str, 'binary').toString('base64');
+const btoa = str => new Buffer.from(str, 'binary').toString('base64');
 ```
 
 ```js
diff --git a/test/atob/atob.js b/test/atob/atob.js
index 151c9ef18..6dc03b03b 100644
--- a/test/atob/atob.js
+++ b/test/atob/atob.js
@@ -1,2 +1,2 @@
-const atob = str => new Buffer(str, 'base64').toString('binary');
+const atob = str => Buffer.from(str, 'base64').toString('binary');
 module.exports = atob;
diff --git a/test/btoa/btoa.js b/test/btoa/btoa.js
index 9ff0e6caf..bdff3b689 100644
--- a/test/btoa/btoa.js
+++ b/test/btoa/btoa.js
@@ -1,2 +1,2 @@
-const btoa = str => new Buffer(str, 'binary').toString('base64');
+const btoa = str => new Buffer.from(str, 'binary').toString('base64');
 module.exports = btoa;