diff --git a/libopal.spec b/libopal.spec
index c919a26..4336743 100644
--- a/libopal.spec
+++ b/libopal.spec
@@ -2,18 +2,19 @@
 %define        gitver   %(echo %version | cut -d. -f 1-2 | tr . _)
 %define        majver   %(echo %version | cut -d. -f 1-2)
 %define        maj3ver   %(echo %version | cut -d. -f 1-3)
+%define        minver   %(echo %version | cut -d. -f 3)
 %define        MINver   %(echo %version | cut -d. -f 2-3)
-%define        dirname %20Procyon/Release%20Candidate
 Name:          libopal
-Version:       3.16.3.20170721git
+Version:       3.18.8
 Release:       1mamba
 Summary:       Opal Library
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://www.ekiga.org
-Source:        git://git.code.sf.net/p/opalvoip/opal/v%{gitver}/opal-%{version}.tar.bz2
+URL:           https://www.ekiga.org/
+Source:        https://sourceforge.net/projects/opalvoip/files/v%{majver}%20Cygni/Stable%20%{minver}/opal-%{version}.tar.bz2
+#Source:        git://git.code.sf.net/p/opalvoip/opal/v%{gitver}/opal-%{version}.tar.bz2
 Patch0:        %{name}-3.6.1-noilbc.patch
 Patch1:        %{name}-3.6.2.patch
 Patch2:        %{name}-3.6.1-gcc44.patch
@@ -21,21 +22,39 @@ Patch3:        %{name}-3.10.2-ffmpeg-1.patch
 License:       MPL 1.0
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libMagick-devel
+BuildRequires: libSDL2-devel
 BuildRequires: libavcodec-ffmpeg-devel
+BuildRequires: libavformat-ffmpeg-devel
 BuildRequires: libavutil-ffmpeg-devel
+BuildRequires: libcapi20-devel
+BuildRequires: libesound-devel
+BuildRequires: libexpat-devel
 BuildRequires: libgcc
+BuildRequires: libjpeg-devel
+BuildRequires: liblua-devel
+BuildRequires: libncurses-devel
+BuildRequires: libodbc-devel
 BuildRequires: libogg-devel
+BuildRequires: libopenldap-devel
+BuildRequires: libopenssl-devel
 BuildRequires: libopus-devel
+BuildRequires: libpcap-devel
 BuildRequires: libpt-devel
+BuildRequires: libreadline-devel
+BuildRequires: libsasl2-devel
+BuildRequires: libspeexdsp-devel
+BuildRequires: libsrtp-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libswresample-ffmpeg-devel
+BuildRequires: libswscale-ffmpeg-devel
 BuildRequires: libtheora-devel
-BuildRequires: libvpx-devel
-BuildRequires: libx264_120-devel
+BuildRequires: libvpx6-devel
+BuildRequires: libx264-devel
 ## AUTOBUILDREQ-END
 BuildRequires: libpt-devel >= 2.%{MINver}
 BuildRequires: libspeex-devel
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+Obsoletes:     libopenh323 <= 1.25.0
 
 %description
 This is a Open Source class library for the development of applications that wish to use SIP / H.323 protocols for multi-media communications over packet based networks.
@@ -43,12 +62,15 @@ This is a Open Source class library for the development of applications that wis
 %package devel
 Group:         Development/Libraries
 Summary:       Static libraries and headers for %{name}
-Requires:      %{name} = %{?epoch:%epoch:}%{version}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+Obsoletes:     libopenh323-devel <= 1.25.0
 
 %description devel
 This is a Open Source class library for the development of applications that wish to use SIP / H.323 protocols for multi-media communications over packet based networks.
 This package contains static libraries and header files need for development.
 
+%debug_package
+
 %prep
 %setup -q -n opal-%{version}
 ## non-free iLBC codec.
@@ -60,9 +82,14 @@ This package contains static libraries and header files need for development.
 #%patch3 -p1
 
 %build
+export PKG_CONFIG_PATH=%{_libdir}/ffmpeg4/pkgconfig
+
 # FIXME: "--enable-localspeex" has been enabled to bypass the error
 # "checking Speex versions... Died at t.pl line 16."
-%configure --enable-localspeex --enable-h263avcodec
+%configure \
+   --enable-localspeex \
+   --enable-h263avcodec
+
 %make opt -j1 SYSLIBS="-L/usr/share/pwlib/lib -lpt"
 
 %install
@@ -103,6 +130,9 @@ rm -f %{buildroot}%{_datadir}/opal/opal_inc.mak
 %{_libdir}/pkgconfig/opal.pc
 
 %changelog
+* Tue Dec 13 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 3.18.8-1mamba
+- update to 3.18.8
+
 * Fri Jul 21 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 3.16.3.20170721git-1mamba
 - update to 3.16.3.20170721git