diff --git a/tools/goctl/internal/version/version.go b/tools/goctl/internal/version/version.go
index ae9cabaf7..7f9176cad 100644
--- a/tools/goctl/internal/version/version.go
+++ b/tools/goctl/internal/version/version.go
@@ -6,7 +6,7 @@ import (
 )
 
 // BuildVersion is the version of goctl.
-const BuildVersion = "1.8.6-alpha"
+const BuildVersion = "1.9.0-alpha"
 
 var tag = map[string]int{"pre-alpha": 0, "alpha": 1, "pre-beta": 2, "beta": 3, "released": 4, "": 5}