diff --git a/book/changelog.md b/book/changelog.md
index c1886584..60416672 100644
--- a/book/changelog.md
+++ b/book/changelog.md
@@ -283,3 +283,6 @@ This will be the first release of Grapevine since it was forked from Conduit
     ([!121](https://gitlab.computer.surgery/matrix/grapevine/-/merge_requests/121))
 25. Add configuration options to tune the value of each cache individually.
     ([!124](https://gitlab.computer.surgery/matrix/grapevine/-/merge_requests/124))
+26. Add subcommand to get the state of all or a subset of rooms either from the
+    incrementally updated cache or by recomputing the state.
+    ([!133](https://gitlab.computer.surgery/matrix/grapevine/-/merge_requests/133))