diff --git a/internal/version.go b/internal/version.go
index ca6885a..f629ac3 100644
--- a/internal/version.go
+++ b/internal/version.go
@@ -2,7 +2,7 @@ package internal
 
 const (
 	// Version is a current app version
-	Version   = "1.3.1"
+	Version   = "1.4.0"
 	userAgent = "github-markdown-toc.go v" + Version
 )