diff --git a/mkdocs.yml b/mkdocs.yml
index a7ff0b8..4ccd558 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -119,6 +119,7 @@ nav:
     - CI/CD Pipeline: articles/building-ci-cd-pipeline.md
     - Authentication and Authorization: articles/authn-authz.md
     - Verifying Image Signatures: articles/verifying-signatures.md
+    - Immutable Tags: articles/immutable-tags.md
     - Software Provenance Workflow Using OCI Artifacts: articles/workflow.md
     - Security Posture: articles/security-posture.md
     - Storage Planning: articles/storage.md