diff --git a/src/cert/acme.js b/src/cert/acme.js
index b007314d4..72da06ef2 100644
--- a/src/cert/acme.js
+++ b/src/cert/acme.js
@@ -16,7 +16,7 @@ var assert = require('assert'),
 
 var CA_PROD = 'https://acme-v01.api.letsencrypt.org',
     CA_STAGING = 'https://acme-staging.api.letsencrypt.org',
-    LE_AGREEMENT = 'https://letsencrypt.org/documents/LE-SA-v1.1.1-August-1-2016.pdf';
+    LE_AGREEMENT = 'https://letsencrypt.org/documents/LE-SA-v1.2-November-15-2017.pdf';
 
 exports = module.exports = {
     getCertificate: getCertificate,