diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d99c24..dfd20f4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ Versioning: CalVer (`YY.N`) — same scheme as the core Furtka repo.
 
 ## [Unreleased]
 
+## [26.13-alpha] - 2026-08-23
+
 ### Added
 
 - **Mosquitto** (v1.0.0, image `eclipse-mosquitto:2.0`). MQTT broker, the
@@ -140,7 +142,8 @@ Versioning: CalVer (`YY.N`) — same scheme as the core Furtka repo.
   the vendored `furtka.manifest.load_manifest` + cross-checks compose
   volume references).
 
-[Unreleased]: https://forgejo.sourcegate.online/daniel/furtka-apps/compare/26.12-alpha...HEAD
+[Unreleased]: https://forgejo.sourcegate.online/daniel/furtka-apps/compare/26.13-alpha...HEAD
+[26.13-alpha]: https://forgejo.sourcegate.online/daniel/furtka-apps/releases/tag/26.13-alpha
 [26.12-alpha]: https://forgejo.sourcegate.online/daniel/furtka-apps/releases/tag/26.12-alpha
 [26.11-alpha]: https://forgejo.sourcegate.online/daniel/furtka-apps/releases/tag/26.11-alpha
 [26.10-alpha]: https://forgejo.sourcegate.online/daniel/furtka-apps/releases/tag/26.10-alpha