diff --git a/gputils.spec b/gputils.spec
index 091bfc0..003c0d5 100644
--- a/gputils.spec
+++ b/gputils.spec
@@ -1,15 +1,16 @@
 %define dirver %(echo %version | cut -d_ -f1)
 %define pkgver %(echo %version | tr _ -)
+%define majver %(echo %version | cut -d. -f1-2)
 Name:          gputils
-Version:       1.5.0_1
+Version:       1.5.2
 Release:       1mamba
 Summary:       A collection of tools for the Microchip (TM) PIC microcontrollers
 Group:         System/Tools
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://gputils.sourceforge.net
-Source:        http://downloads.sourceforge.net/project/gputils/gputils/%{dirver}/gputils-%{pkgver}.tar.gz
+URL:           https://gputils.sourceforge.io/
+Source:        https://sourceforge.net/projects/gputils/files/gputils/%{majver}.0/gputils-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -55,6 +56,9 @@ rm -rf %{buildroot}%{_docdir}/gputils-%{dirver}
 %doc AUTHORS COPYING
 
 %changelog
+* Tue Jun 07 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 1.5.2-1mamba
+- update to 1.5.2
+
 * Sat Apr 10 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.5.0_1-1mamba
 - update to 1.5.0_1