diff --git a/echo.go b/echo.go
index e0ed857f..8b027ae5 100644
--- a/echo.go
+++ b/echo.go
@@ -217,7 +217,7 @@ const (
 )
 
 const (
-	Version = "3.3.0"
+	Version = "3.3.dev"
 	website = "https://echo.labstack.com"
 	// http://patorjk.com/software/taag/#p=display&f=Small%20Slant&t=Echo
 	banner = `