diff --git a/History.md b/History.md
index bdd5d733..9bf54c50 100644
--- a/History.md
+++ b/History.md
@@ -1,4 +1,9 @@
 
+0.5.8 / 2014-03-07 
+==================
+
+  * remove buffer-concat
+
 0.5.7 / 2014-03-07 
 ==================
 
diff --git a/package.json b/package.json
index df837c82..489012f9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "urllib",
-  "version": "0.5.7",
+  "version": "0.5.8",
   "description": "Help in opening URLs (mostly HTTP) in a complex world — basic and digest authentication, redirections, cookies and more.",
   "keywords": [ "urllib", "http", "urlopen", "curl", "wget", "request", "https" ],
   "author": "fengmk2 <fengmk2@gmail.com> (http://github.com/fengmk2)",