diff --git a/perl-IO-AIO.spec b/perl-IO-AIO.spec
index 5e0bc77..7424af2 100644
--- a/perl-IO-AIO.spec
+++ b/perl-IO-AIO.spec
@@ -1,31 +1,29 @@
 %define perl_major_ver %(eval `perl -V:version`; echo ${version%*.[0-9]*}.0)
 
 Name:          perl-IO-AIO
-Version:       4.72
+Version:       4.73
 Release:       1mamba
 Summary:       IO::AIO - Asynchronous Input/Output
 Group:         System/Libraries/Perl
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      Automatic Build System <autodist@mambasoft.it>
-URL:           http://www.cpan.org
-Source:        http://search.cpan.org/CPAN/authors/id/M/ML/MLEHMANN/IO-AIO-%{version}.tar.gz
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://www.cpan.org
+Source:        https://cpan.metacpan.org/authors/id/M/ML/MLEHMANN/IO-AIO-%{version}.tar.gz
 License:       Artistic, GPL
 Requires:      perl >= %perl_major_ver
-BuildRequires: libgdbm-devel
-BuildRequires: libdb47-devel
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: perl-devel >= %perl_major_ver
 ## AUTOBUILDREQ-END
-
+#BuildRequires: libgdbm-devel
+#BuildRequires: libdb53-devel
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 This module implements asynchronous I/O using whatever means your operating system supports.
 
 %prep
-
 %setup -q -n IO-AIO-%{version}
 
 %build
@@ -55,6 +53,10 @@ rm -f .packlist
 %defattr(-,root,root)
 
 %changelog
+* Sun Dec 06 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 4.73-1mamba
+- update to 4.73
+- removed libdb47 and libgdbm build requirements
+
 * Sat May 02 2020 Automatic Build System <autodist@mambasoft.it> 4.72-1mamba
 - automatic update by autodist