diff --git a/libmicrohttpd.spec b/libmicrohttpd.spec
index 24aa17e..c5f42fc 100644
--- a/libmicrohttpd.spec
+++ b/libmicrohttpd.spec
@@ -1,20 +1,17 @@
 Name:          libmicrohttpd
-Version:       0.9.72
+Version:       0.9.73
 Release:       1mamba
 Summary:       A library embedding HTTP server functionality
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Davide Madrisan <davide.madrisan@gmail.com>
-URL:           http://www.gnu.org/software/libmicrohttpd/
+URL:           https://www.gnu.org/software/libmicrohttpd/
 Source:        ftp://ftp.gnu.org/gnu/libmicrohttpd/libmicrohttpd-%{version}.tar.gz
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libgcc
-BuildRequires: libgcrypt-devel
 BuildRequires: libgnutls-devel
-BuildRequires: libgpg-error-devel
 ## AUTOBUILDREQ-END
 BuildRequires: libgmp-devel
 BuildRequires: libtasn1-devel
@@ -23,7 +20,6 @@ BuildRequires: graphviz
 BuildRequires: doxygen
 Requires(post): %{__install_info}
 Requires(preun): %{__install_info}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 GNU libmicrohttpd is a small C library that is supposed to make it easy to run an HTTP server as part of another application.
@@ -119,6 +115,9 @@ exit 0
 #%doc doc/doxygen/html
 
 %changelog
+* Mon Apr 26 2021 Automatic Build System <autodist@mambasoft.it> 0.9.73-1mamba
+- automatic version update by autodist
+
 * Wed Dec 30 2020 Automatic Build System <autodist@mambasoft.it> 0.9.72-1mamba
 - automatic version update by autodist