diff --git a/README.md b/README.md
index 1bd418cb57c..64df44196c6 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@ Container Signing, Verification and Storage in an OCI registry.
 
 [![Go Report Card](https://goreportcard.com/badge/github.com/sigstore/cosign)](https://goreportcard.com/report/github.com/sigstore/cosign)
 [![e2e-tests](https://github.com/sigstore/cosign/actions/workflows/e2e_tests.yml/badge.svg)](https://github.com/sigstore/cosign/actions/workflows/e2e_tests.yml)
+[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/5715/badge)](https://bestpractices.coreinfrastructure.org/projects/5715)
 
 Cosign aims to make signatures **invisible infrastructure**.