diff --git a/NEWS b/NEWS
index ca78038..1fe6566 100644
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,11 @@ transactional-update NEWS -- history of user-visible changes.
 
 Copyright (C) 2016-2023 Thorsten Kukuk, Ignaz Forster et al.
 
+Version 4.6.6 (2024-04-18)
+* soft-reboot: Fix inverted logic of soft-reboot detection
+* soft-reboot: Remove unused variable
+* doc: Document configuration file snippets for tukit.conf
+
 Version 4.6.5 (2024-04-12)
 * Rework soft-reboot support introduced in 4.6.0:
   * On transactional systems with systemd 254 the system could hang with with
diff --git a/configure.ac b/configure.ac
index 9031798..c5e6b63 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT(transactional-update, 4.6.5)
+AC_INIT(transactional-update, 4.6.6)
 # Increase on any interface change and reset revision
 LIBTOOL_CURRENT=5
 # On interface change increase if backwards compatible, reset otherwise