diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10602bca..d3fe2006 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## v2.13.3 — 2026-09-03
+
+### Fixes
+
+- raise SignalR MaximumParallelInvocationsPerClient so a slow hub call (e.g. an unreachable ticket system) can't block unrelated ones like list-settings save (b4144e6b)
+
 ## v2.13.2 — 2026-09-03
 
 ### Features