diff --git a/gst-plugins-base.spec b/gst-plugins-base.spec
index 963510e..d03d14b 100644
--- a/gst-plugins-base.spec
+++ b/gst-plugins-base.spec
@@ -2,7 +2,7 @@
 %define        libname     lib%{name}
 
 Name:          gst-plugins-base
-Version:       1.18.4
+Version:       1.18.5
 Release:       1mamba
 Summary:       GStreamer Streaming-media framework plugins
 Group:         System/Multimedia
@@ -14,23 +14,32 @@ Source:        http://gstreamer.freedesktop.org/src/gst-plugins-base/gst-plugins
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libICE-devel
-BuildRequires: libSM-devel
 BuildRequires: libX11-devel
 BuildRequires: libXext-devel
 BuildRequires: libXv-devel
 BuildRequires: libalsa-devel
 BuildRequires: libcairo-devel
 BuildRequires: libcdparanoia-devel
+BuildRequires: libdrm-devel
 BuildRequires: libglib-devel
+BuildRequires: libglvnd-devel
+BuildRequires: libgraphene-devel
 BuildRequires: libgstreamer-devel
+BuildRequires: libgudev-devel
+BuildRequires: libjpeg-devel
+BuildRequires: libmesa-devel
 BuildRequires: libogg-devel
+BuildRequires: libopus-devel
 BuildRequires: liborc-devel
 BuildRequires: libpango-devel
+BuildRequires: libpng-devel
 BuildRequires: libtheora-devel
 BuildRequires: libvisual-devel
 BuildRequires: libvorbis-devel
 BuildRequires: libvorbisidec-devel
+BuildRequires: libwayland-devel
+BuildRequires: libwayland-egl-devel
+BuildRequires: libxcb-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
 BuildRequires: gettext-devel
@@ -64,7 +73,7 @@ This module contains elements for, among others:
 Summary:       GStreamer plugin libraries
 Group:         System/Libraries
 Provides:      gst-plugins-base
-Obsoletes:     gst-plugins-base
+Obsoletes:     gst-plugins-base < 1.18.5
 
 %description -n %{libname}
 This package contain the basic audio and video playback library and the interfaces library.
@@ -93,7 +102,10 @@ GStreamer Plugin Base Library API documentation.
 
 %build
 %meson \
-   -Ddoc=enabled
+   -Ddoc=enabled \
+%ifarch arm aarch64
+   -Dgl_winsys="wayland,x11,gbm"
+%endif
 
 %meson_build
 
@@ -195,6 +207,9 @@ rm -f %{buildroot}%{_libdir}/*.la
 #%{_datadir}/gtk-doc/html/gst-plugins-base-libs/*
 
 %changelog
+* Thu Sep 09 2021 Automatic Build System <autodist@mambasoft.it> 1.18.5-1mamba
+- automatic version update by autodist
+
 * Tue Mar 16 2021 Automatic Build System <autodist@mambasoft.it> 1.18.4-1mamba
 - automatic version update by autodist