diff --git a/scripts/trigger-jenkins-build.js b/scripts/trigger-jenkins-build.js
index c819400a..a43778c4 100644
--- a/scripts/trigger-jenkins-build.js
+++ b/scripts/trigger-jenkins-build.js
@@ -52,7 +52,7 @@ function buildParametersForRepo (options, repo) {
 
 function triggerBuild (options, cb) {
   const { repo } = options
-  const base64Credentials = new Buffer(jenkinsApiCredentials).toString('base64')
+  const base64Credentials = Buffer.from(jenkinsApiCredentials, 'base64')
   const authorization = `Basic ${base64Credentials}`
 
   const jobName = getJobNameForRepo(repo)