diff --git a/gst-libav.spec b/gst-libav.spec
index fa7981f..3a38110 100644
--- a/gst-libav.spec
+++ b/gst-libav.spec
@@ -1,13 +1,13 @@
 %define        apiver  %(echo %version | cut -d. -f 1).0
 Name:          gst-libav
-Version:       1.18.2
+Version:       1.18.3
 Release:       1mamba
 Summary:       GStreamer plugins based on the libav project, including codecs
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://gstreamer.freedesktop.org
+URL:           https://gstreamer.freedesktop.org
 Source:        http://gstreamer.freedesktop.org/src/gst-libav/gst-libav-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
@@ -19,7 +19,6 @@ BuildRequires: libgstreamer-devel
 BuildRequires: liborc-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 GStreamer plugins based on the libav project, including codecs.
@@ -63,6 +62,9 @@ This package includes the %{name} API documentation.
 ##%doc ChangeLog NEWS README TODO
 
 %changelog
+* Thu Feb 25 2021 Automatic Build System <autodist@mambasoft.it> 1.18.3-1mamba
+- automatic version update by autodist
+
 * Mon Dec 07 2020 Automatic Build System <autodist@mambasoft.it> 1.18.2-1mamba
 - automatic version update by autodist