diff --git a/CHANGELOG.md b/CHANGELOG.md
index a268d3f2..5c7bf820 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 All notable changes to SeisComP are documented here.
 
+## 4.9.1
+
+-   scmaster
+    -   Fix setup stage if a database port has been specified explicitly
+
 ## 4.9.0
 
 -   Documentation