diff --git a/params/bootnodes.go b/params/bootnodes.go
index 0c2b4ed9..c10fec28 100644
--- a/params/bootnodes.go
+++ b/params/bootnodes.go
@@ -19,12 +19,11 @@ package params
 // MainnetBootnodes are the enode URLs of the P2P bootstrap nodes running on
 // the main Truechain network.
 var MainnetBootnodes = []string{
-	"enode://23afb7b27408aa9e75342055842a0296c8d1cff7451d25a2e70ee6ff48333915b67a1dc3428c5eebc3e2bc5cf1778cfb31278ef4f6ab9e1d3bfab60e13790616@47.241.184.79:30313", // CN
-	"enode://f8dcc2a5c18ef8128e6c33f08a5870b69b42fc66a85760f76aa687055fe76f45622e950c027c4b36bf02457e73fb5d0f5640c1fa7eaf63c879c0eba9e4c958a0@13.56.161.52:30313",  // US WEST
+	"enode://6c89e0303d75b1d732b7420947e9f98d22de60c145340f0f870493d0e3552ccb3c1804e9063effb7622849085c8a5d8145bf8694fca9f37ed3f92b36762efcc1@18.142.146.139:30313",
+	"enode://f8dcc2a5c18ef8128e6c33f08a5870b69b42fc66a85760f76aa687055fe76f45622e950c027c4b36bf02457e73fb5d0f5640c1fa7eaf63c879c0eba9e4c958a0@3.101.109.49:30313",
+	"enode://8aef1642e8a9dc1f52febf53e2e0c54d5068ad0dea54dc1d308c93280ac833b19a5ca1853a24f896d54e648b674b13143f14e7d8ec8188f20a4747c048ead517@13.214.39.173:30313",
 	"enode://23afb7b27408aa9e75342055842a0296c8d1cff7451d25a2e70ee6ff48333915b67a1dc3428c5eebc3e2bc5cf1778cfb31278ef4f6ab9e1d3bfab60e13790616@47.241.184.79:30313", // SG
 	"enode://4c64220af42271b6a6ea5463e97a125fef86d0bbb077db7d669af9d020d8ccf8ef4b617e3b36bbb9c10096404ecc1a7e06bcec3210a2cdf49b2bce5a0e1c7eb5@8.209.88.41:30313",   // DE
-
-	"enode://8aef1642e8a9dc1f52febf53e2e0c54d5068ad0dea54dc1d308c93280ac833b19a5ca1853a24f896d54e648b674b13143f14e7d8ec8188f20a4747c048ead517@101.132.179.192:30313", // CN
 }
 
 // TestnetBootnodes are the enode URLs of the P2P bootstrap nodes running on the
diff --git a/params/version.go b/params/version.go
index 54e69b6c..bd452e3e 100644
--- a/params/version.go
+++ b/params/version.go
@@ -23,7 +23,7 @@ import (
 const (
 	VersionMajor = 2        // Major version component of the current release
 	VersionMinor = 1        // Minor version component of the current release
-	VersionPatch = 3        // Patch version component of the current release
+	VersionPatch = 4        // Patch version component of the current release
 	VersionMeta  = "stable" // Version metadata to append to the version string
 )