diff --git a/k3b.spec b/k3b.spec
index 3ed9190..3f95a10 100644
--- a/k3b.spec
+++ b/k3b.spec
@@ -1,7 +1,7 @@
 %define        dirver %(echo %version | sed "s,alpha.*,,;s,rc.*,,")
 %define        pkgver %(echo %version | sed "s|[a-z]||")
 Name:          k3b
-Version:       21.04.1
+Version:       21.04.2
 Release:       1mamba
 Summary:       The CD/DVD/Blu-Ray Creator for KDE
 License:       GPL
@@ -9,7 +9,7 @@ Group:         Graphical Desktop/Applications/Multimedia
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://www.k3b.org
+URL:           https://userbase.kde.org/K3b
 Source:        https://download.kde.org/stable/release-service/%{version}/src/k3b-%{version}.tar.xz
 Patch0:        %{name}-1.0.4-configure_ffmpeg.patch
 Patch1:        k3b-2.0.2-ffmpeg.patch
@@ -60,6 +60,7 @@ BuildRequires: libsolid-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libtag-devel
 BuildRequires: libvorbis-devel
+BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
 BuildRequires: gettext-devel
 BuildRequires: zlib-devel
@@ -221,6 +222,9 @@ exit 0
 %doc ChangeLog
 
 %changelog
+* Thu Jun 10 2021 Automatic Build System <autodist@mambasoft.it> 21.04.2-1mamba
+- automatic version update by autodist
+
 * Thu May 13 2021 Automatic Build System <autodist@mambasoft.it> 21.04.1-1mamba
 - automatic version update by autodist