diff --git a/debian/changelog b/debian/changelog
index cf2878c5b..98d19e084 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+open5gs (2.6.6~sysmocom2) unstable; urgency=medium
+
+  * Fix fixed-0 IPCP identifier in PCO ack
+
+ -- Oliver Smith <osmith@sysmocom.de>  Fri, 26 Jan 2024 16:53:27 +0100
+
 open5gs (2.6.6~sysmocom1) unstable; urgency=medium
 
   * Rebase on top of open5gs.git main of 2023-10-31