diff --git a/cmd/kratos/main.go b/cmd/kratos/main.go
index a1611a81f..d7fc9147e 100644
--- a/cmd/kratos/main.go
+++ b/cmd/kratos/main.go
@@ -11,7 +11,7 @@ import (
 )
 
 var (
-	version string = "v2.0.0-rc5"
+	version string = "v2.0.0-rc6"
 
 	rootCmd = &cobra.Command{
 		Use:     "kratos",
diff --git a/cmd/protoc-gen-go-errors/main.go b/cmd/protoc-gen-go-errors/main.go
index 16e17fb56..3b61eacd6 100644
--- a/cmd/protoc-gen-go-errors/main.go
+++ b/cmd/protoc-gen-go-errors/main.go
@@ -8,7 +8,7 @@ import (
 	"google.golang.org/protobuf/types/pluginpb"
 )
 
-const version = "v2.0.0-rc5"
+const version = "v2.0.0-rc6"
 
 func main() {
 	showVersion := flag.Bool("version", false, "print the version and exit")
diff --git a/cmd/protoc-gen-go-http/main.go b/cmd/protoc-gen-go-http/main.go
index 36fb4dc53..9b17971a6 100644
--- a/cmd/protoc-gen-go-http/main.go
+++ b/cmd/protoc-gen-go-http/main.go
@@ -8,7 +8,7 @@ import (
 	"google.golang.org/protobuf/types/pluginpb"
 )
 
-const version = "v2.0.0-rc5"
+const version = "v2.0.0-rc6"
 
 func main() {
 	showVersion := flag.Bool("version", false, "print the version and exit")