diff --git a/etl.spec b/etl.spec
index b69137a..852d741 100644
--- a/etl.spec
+++ b/etl.spec
@@ -1,18 +1,17 @@
 Name:          etl
-Version:       1.4.0
+Version:       1.4.1
 Release:       1mamba
 Summary:       A multi-platform class and template library designed to add new datatypes and functions
 Group:         Development/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://synfig.org/
-Source:        https://downloads.sourceforge.net/project/synfig/releases/%{version}/source/ETL-%{version}.tar.gz
+URL:           https://www.synfig.org/
+Source:        https://downloads.sourceforge.net/project/synfig/releases/%{version}/ETL-%{version}.tar.gz
 Patch0:        etl-1.2.1-gc-8.1.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 ETL is a multi-platform class and template library designed to add new datatypes and functions which combine well with the existing types and functions from the C++ Standard Template Library (STL).
@@ -52,6 +51,9 @@ ETL is a multi-platform class and template library designed to add new datatypes
 #%doc ChangeLog NEWS README
 
 %changelog
+* Fri May 21 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.4.1-1mamba
+- update to 1.4.1
+
 * Mon Dec 28 2020 Automatic Build System <autodist@mambasoft.it> 1.4.0-1mamba
 - automatic version update by autodist