diff --git a/core.go b/core.go
index 65499456..f703fc59 100755
--- a/core.go
+++ b/core.go
@@ -17,7 +17,7 @@ import (
 )
 
 const (
-	version  = "4.20.0"
+	version  = "4.21.0"
 	build    = "Custom"
 	codename = "V2Fly, a community-driven edition of V2Ray."
 	intro    = "A unified platform for anti-censorship."