diff --git a/partitionmanager.spec b/partitionmanager.spec
index 7ef9301..4f931a2 100644
--- a/partitionmanager.spec
+++ b/partitionmanager.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          partitionmanager
-Version:       4.2.0
+Version:       20.12.1
 Release:       1mamba
 Summary:       KDE 5 partition manager
 Group:         Graphical Desktop/Applications/Administration
@@ -9,7 +9,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://www.kde.org
-Source:        https://download.kde.org/stable/partitionmanager/%{version}/src/partitionmanager-%{version}.tar.xz
+Source:        https://download.kde.org/stable/release-service/%{version}/src/partitionmanager-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -72,6 +72,9 @@ KDE 5 partition manager.
 %doc LICENSES/*
 
 %changelog
+* Mon Jan 25 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 20.12.1-1mamba
+- update to 20.12.1
+
 * Sat Nov 07 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 4.2.0-1mamba
 - update to 4.2.0