diff --git a/HISTORY.md b/HISTORY.md
index 195f0e96..d79086d1 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,15 @@
+v1.4.0 (2020-10-10)
+-----------
+* Update Lua to 5.4.1
+* Add skynet.select
+* Improve mysql driver (@zero-rp @xiaojin @yxt945)
+* Improve websocket and ssl (@lvzixun)
+* Improve sproto (double @lvzixun map @t0350)
+* Add padding mode PKCS7 for DES
+* Add jmem in debug console
+* Add skynet_socket_pause for net traffic control
+* Add timestamp to default logger
+
 v1.3.0 (2019-11-19)
 -----------
 * Improve mysql driver (@yxt945)
diff --git a/lualib/sprotoparser.lua b/lualib/sprotoparser.lua
index 4335af8e..cfa25afa 100644
--- a/lualib/sprotoparser.lua
+++ b/lualib/sprotoparser.lua
@@ -4,7 +4,9 @@ local table = require "table"
 local packbytes
 local packvalue
 
-if _VERSION == "Lua 5.3" then
+local version = _VERSION:match "5.*"
+
+if version and tonumber(version) >= 5.3 then
 	function packbytes(str)
 		return string.pack("<s4",str)
 	end