diff --git a/gstreamer.spec b/gstreamer.spec
index 18c215f..c16ea32 100644
--- a/gstreamer.spec
+++ b/gstreamer.spec
@@ -4,7 +4,7 @@
 %define        libname     lib%{name}
 
 Name:          gstreamer
-Version:       1.18.3
+Version:       1.18.4
 Release:       1mamba
 Epoch:         2
 Summary:       A framework for streaming media
@@ -12,7 +12,7 @@ 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/gstreamer/gstreamer-%{version}.tar.xz
 Patch0:        gstreamer-1.1.3-bison-3.0.patch
 Patch1:        gstreamer-1.16.2-glib-2.64.2.patch
@@ -36,7 +36,6 @@ BuildRequires: libtool
 BuildRequires: automake
 BuildRequires: autoconf
 BuildRequires: hotdoc
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 # FIXME:
 # checking for docbook2ps... false
@@ -158,6 +157,9 @@ GStreamer library API documentation.
 #%{_datadir}/gtk-doc/html/gstreamer-plugins-%{MAJversion}.0/
 
 %changelog
+* Tue Mar 16 2021 Automatic Build System <autodist@mambasoft.it> 1.18.4-1mamba
+- automatic version update by autodist
+
 * Thu Jan 14 2021 Automatic Build System <autodist@mambasoft.it> 1.18.3-1mamba
 - automatic version update by autodist