diff --git a/README.md b/README.md
index 917d79b0..55fdf9d8 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 
 [![Gitpod Ready-to-Code](https://img.shields.io/badge/Gitpod-Ready--to--Code-blue?logo=gitpod)](https://gitpod.io/#https://github.com/TheAlgorithms/C)
 [![Language grade: C/C++](https://img.shields.io/lgtm/grade/cpp/g/TheAlgorithms/C.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/TheAlgorithms/C/context:cpp)
+[![CodeQL CI](https://github.com/TheAlgorithms/C/actions/workflows/codeql_analysis.yml/badge.svg)](https://github.com/TheAlgorithms/C/actions/workflows/codeql_analysis.yml)
 [![Gitter chat](https://img.shields.io/badge/Chat-Gitter-ff69b4.svg?label=Chat&logo=gitter&style=flat-square)](https://gitter.im/TheAlgorithms)
 [![contributions welcome](https://img.shields.io/static/v1.svg?label=Contributions&message=Welcome&color=0059b3&style=flat-square)](https://github.com/TheAlgorithms/C/blob/master/CONTRIBUTING.md)
 ![GitHub repo size](https://img.shields.io/github/repo-size/TheAlgorithms/C?color=red&style=flat-square)