diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 
 ## HLLAPI library for lib3270/pw3270
 
+![CodeQL](https://github.com/PerryWerneck/lib3270/workflows/CodeQL/badge.svg)
+
 ## Installation
 
 ### Linux
--
libgit2 0.21.2