diff --git a/build/pack/build.bat b/build/pack/build.bat
index 69af9a6..649d63e 100644
--- a/build/pack/build.bat
+++ b/build/pack/build.bat
@@ -11,7 +11,7 @@
 @REM prepare the variables.
 
 @REM  version name
-SET VERSION_NAME=tank-4.0.2
+SET VERSION_NAME=tank-4.0.3
 ECHO VERSION_NAME: %VERSION_NAME%
 @REM  golang proxy
 SET GOPROXY=https://goproxy.cn
diff --git a/build/pack/build.sh b/build/pack/build.sh
index 856c9d9..e025003 100755
--- a/build/pack/build.sh
+++ b/build/pack/build.sh
@@ -10,7 +10,7 @@ set -e
 #prepare the variables.
 
 # version name
-VERSION_NAME=tank-4.0.2
+VERSION_NAME=tank-4.0.3
 echo "VERSION_NAME: ${VERSION_NAME}"
 #  golang proxy
 GOPROXY=https://goproxy.cn
diff --git a/code/core/config.go b/code/core/config.go
index e63acd1..2ea2788 100644
--- a/code/core/config.go
+++ b/code/core/config.go
@@ -14,7 +14,7 @@ const (
 	//db table's prefix. tank40_ means current version is tank:4.0.x
 	TABLE_PREFIX = "tank40_"
 
-	VERSION = "4.0.2"
+	VERSION = "4.0.3"
 )
 
 type Config interface {