diff --git a/guide/toc.yml b/guide/toc.yml
index e20faf3..9ad1168 100644
--- a/guide/toc.yml
+++ b/guide/toc.yml
@@ -11,6 +11,8 @@
 
 - name: External resources
   items:
+    - name: OpenIddict changelog
+      href: https://github.com/openiddict/openiddict-core/releases
     - name: OAuth 2.0 specification
       href: https://tools.ietf.org/html/rfc6749
     - name: OpenID Connect specification