diff --git a/README.md b/README.md
index ea4acac..0e616e8 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 [![PyPI](https://img.shields.io/pypi/v/microsoft-agents-a365-observability-core?label=PyPI&logo=pypi)](https://pypi.org/search/?q=microsoft-agents-a365)
 [![PyPI Downloads](https://img.shields.io/pypi/dm/microsoft-agents-a365-observability-core?label=Downloads&logo=pypi)](https://pypi.org/search/?q=microsoft-agents-a365)
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+[![CodeQL](https://github.com/microsoft/Agent365-python/actions/workflows/github-code-scanning/codeql/badge.svg?branch=main)](https://github.com/microsoft/Agent365-python/actions/workflows/github-code-scanning/codeql)
 [![License](https://img.shields.io/github/license/microsoft/Agent365-python?label=License)](LICENSE.md)
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 [![Contributors](https://img.shields.io/github/contributors/microsoft/Agent365-python?label=Contributors&logo=github)](https://github.com/microsoft/Agent365-python/graphs/contributors)