diff --git a/doc/release-notes/rl-2611.section.md b/doc/release-notes/rl-2611.section.md
index f9489c546659..87e617b19dd4 100644
--- a/doc/release-notes/rl-2611.section.md
+++ b/doc/release-notes/rl-2611.section.md
@@ -25,6 +25,8 @@
 
 - `zerofs` has been updated from `1.x` to `2.x` which is a breaking change. Volumes created by earlier releases are refused at open with a clear error. There is no migration tool; older volumes remain readable and writable by the release that created them.
 
+- `alps` has been rewritten upstream, see [upstream repository](https://github.com/migadu/alps) for documentation.
+
 - `uhttpmock` providing 0.0 ABI was removed. `uhttpmock_1_0` providing 1.0 ABI was renamed to `uhttpmock` and `uhttpmock_1_0` was kept as an alias.
 
 - `nix-serve-ng` (and `haskellPackages.nix-serve-ng`) is now built against Lix instead of CppNix, following upstream which has switched to Lix as its supported Nix implementation.