diff --git a/DESCRIPTION b/DESCRIPTION
index a5f3ba2..96fe929 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Name: control
-Version: 4.0.99+
-Date: 2024-XX-XX
+Version: 4.1.0
+Date: 2024-12-06
 Author: Lukas Reichlin <lukas.reichlin@gmail.com>
 Maintainer: Doug Stewart <doug.dastew@gmail.com>, Torsten Lilge <ttl-octave@mailbox.org>
 Title: Control Package
diff --git a/NEWS b/NEWS
index e6ab84b..453a0ea 100644
--- a/NEWS
+++ b/NEWS
@@ -2,7 +2,7 @@
 Summary of important user-visible changes for releases of the control package
 
 ===============================================================================
-control-4.0.99+  Not yet released
+control-4.1.0  2024-12-06
 ===============================================================================
 
  ** lqg, lqgtrack, lqgreg, reg: new functions for linear dynamic
diff --git a/src/configure.ac b/src/configure.ac
index b65145a..96a3109 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.71])
-AC_INIT([control],[4.0.1])
+AC_INIT([control],[4.1.0])
 AC_CONFIG_SRCDIR([sl_ab01od.cc])
 AC_CONFIG_HEADERS([config.h])