diff --git a/README.md b/README.md
index 4783df4..ec0808a 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@ Created originally as part of PW3270 application.
 
 See more details at https://softwarepublico.gov.br/social/pw3270/
 
+[![License: GPL v3](https://img.shields.io/badge/License-GPL%20v3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
 ![CodeQL](https://github.com/PerryWerneck/lib3270/workflows/CodeQL/badge.svg)
 
 
--
libgit2 0.21.2