diff --git a/perl-Coro.spec b/perl-Coro.spec
index 958aa18..bc54f4a 100644
--- a/perl-Coro.spec
+++ b/perl-Coro.spec
@@ -1,32 +1,35 @@
 %define perl_major_ver %(eval `perl -V:version`; echo ${version%*.[0-9]*}.0)
 
 Name:          perl-Coro
-Version:       6.514
+Epoch:         1
+Version:       6.57
 Release:       1mamba
 Summary:       Coro - the only real threads in perl
 Group:         System/Libraries/Perl
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://www.cpan.org
-Source:        http://search.cpan.org/CPAN/authors/id/M/ML/MLEHMANN/Coro-%{version}.tar.gz
+URL:           https://www.cpan.org/
+Source:        https://cpan.metacpan.org/modules/by-module/Coro/Coro-%{version}.tar.gz
 Patch0:        perl-Coro-5.25-ucontext-default.patch
 Patch1:        perl-Coro-6.511-perl-5.24.patch
 License:       GPL, Artistic
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libperl
 BuildRequires: perl-AnyEvent
 BuildRequires: perl-AnyEvent-AIO
 BuildRequires: perl-AnyEvent-BDB
 BuildRequires: perl-BDB
-BuildRequires: perl-common-sense
-BuildRequires: perl-devel
 BuildRequires: perl-EV
 BuildRequires: perl-Event
 BuildRequires: perl-Guard
 BuildRequires: perl-IO-AIO
-BuildRequires: perl-libwww
+BuildRequires: perl-Net-HTTP
+BuildRequires: perl-common-sense
+BuildRequires: perl-devel
 ## AUTOBUILDREQ-END
+BuildRequires: perl-Canary-Stability
 Requires:      perl >= %perl_major_ver
 Requires:      perl(AnyEvent)
 Requires:      perl(AnyEvent::AIO)
@@ -34,7 +37,6 @@ Requires:      perl(AnyEvent::BDB)
 Requires:      perl(Event)
 Requires:      perl(Guard)
 Requires:      perl(Storable)
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 This module collection manages continuations in general, most often in the form of cooperative threads (also called coros, or simply "coro" in the documentation). They are similar to kernel threads but don't (in general) run in parallel at the same time even on SMP machines. The specific flavor of thread offered by this module also guarantees you that it will not switch between threads unless necessary, at easily-identified points in your program, so locking and parallel access are rarely an issue, making thread programming much safer and easier than using other thread models.
@@ -79,6 +81,9 @@ chmod -R u+w %{buildroot}/*
 # README README.linux-glibc doc/* eg
 
 %changelog
+* Sun Jan 09 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 6.57-1mamba
+- update to 6.57
+
 * Thu Dec 07 2017 Automatic Build System <autodist@mambasoft.it> 6.514-1mamba
 - automatic update by autodist