diff --git a/libgavl.spec b/libgavl.spec
index 4e3f37d..a956f0d 100644
--- a/libgavl.spec
+++ b/libgavl.spec
@@ -1,24 +1,22 @@
 Name:          libgavl
 Version:       1.4.0
-Release:       1mamba
+Release:       2mamba
 Summary:       Library for handling uncompressed audio and video data
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://gmerlin.sourceforge.net/
+URL:           https://gmerlin.sourceforge.net/
 Source:        http://downloads.sourceforge.net/project/gmerlin/gavl/%{version}/gavl-%{version}.tar.gz
 Patch0:        libgavl-1.2.0-overflow.patch
 Patch1:        libgavl-1.2.0-system_libgdither.patch
 License:       GPL
-BuildRequires: doxygen
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libgdither-devel
 ## AUTOBUILDREQ-END
+BuildRequires: doxygen
 BuildRequires: libpng-devel
 BuildRequires: libsamplerate-devel
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Gavl is short for Gmerlin Audio Video Library. It is a low level library, upon which multimedia APIs can be built. Gavl handles all the details of audio and video formats like colorspaces, samplerates, multichannel configurations etc.
@@ -43,6 +41,8 @@ Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 Gavl - A library for handling uncompressed audio and video data.
 This package contains documentation for %{name}.
 
+%debug_package
+
 %prep
 %setup -q -n gavl-%{version}
 #%patch0 -p0
@@ -94,6 +94,9 @@ rm -rf %{buildroot}%{_libdir}/lib*.la
 %{_docdir}/gavl
 
 %changelog
+* Tue Feb 13 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 1.4.0-2mamba
+- rebuilt with debug package
+
 * Fri Jan 11 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 1.4.0-1mamba
 - update to 1.4.0