diff --git a/README.md b/README.md
index 616f6bf..d74291f 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@ Created originally as part of PW3270 application.
 
 See more details at https://softwarepublico.gov.br/social/pw3270/
 
+![CodeQL](https://github.com/PerryWerneck/libv3270/workflows/CodeQL/badge.svg?branch=master)
+
 ## Instalation
 
 ### Linux
--
libgit2 0.21.2