diff --git a/lib/https/h2.js b/lib/https/h2.js
index 1e2bbd732..7229e1fba 100644
--- a/lib/https/h2.js
+++ b/lib/https/h2.js
@@ -19,8 +19,8 @@ var TIMEOUT = 36000;
 var REQ_TIMEOUT = 16000;
 var CONCURRENT = 3;
 var CLOSED_ERR = new Error('closed');
-var MSM = 1000;
-var PMCS = 2000;
+var MSM = 1200;
+var PMCS = 3600;
 
 function onClose(stream, callback) {
   stream.on('error', callback);