diff --git a/main.go b/main.go
index 8a7d6d7..28f3f58 100644
--- a/main.go
+++ b/main.go
@@ -30,7 +30,7 @@ import (
 	lua "github.com/yuin/gopher-lua"
 )
 
-const VERSION string = "2.1.4"
+const VERSION string = "2.1.5"
 
 const Usage string = `This is rpn, a reverse polish notation calculator cli.