diff --git a/libopenjpeg.spec b/libopenjpeg.spec
index a1dd6c8..2aa3085 100644
--- a/libopenjpeg.spec
+++ b/libopenjpeg.spec
@@ -2,14 +2,14 @@
 %define majver %(echo %version | cut -d. -f1-2)
 %define apiver %(echo %version | cut -d. -f1-2)
 Name:          libopenjpeg
-Version:       2.3.1
+Version:       2.4.0
 Release:       1mamba
 Summary:       An open-source JPEG 2000 codec written in C language
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://www.openjpeg.org
+URL:           https://www.openjpeg.org
 Source:        https://github.com/uclouvain/openjpeg.git/v%{version}/openjpeg-%{version}.tar.bz2
 #Source:        https://downloads.sourceforge.net/project/openjpeg.mirror/%{version}/openjpeg-%{version}.tar.gz
 License:       BSD
@@ -90,6 +90,9 @@ This package contains utility applications for %{name}.
 %{_bindir}/opj_dump
 
 %changelog
+* Sat Feb 20 2021 Automatic Build System <autodist@mambasoft.it> 2.4.0-1mamba
+- automatic version update by autodist
+
 * Fri Mar 13 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 2.3.1-1mamba
 - update to 2.3.1