diff --git a/Getopt-Long-2.54.tar.gz b/Getopt-Long-2.54.tar.gz
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diff --git a/Getopt-Long-2.57.tar.gz b/Getopt-Long-2.57.tar.gz
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diff --git a/perl-Getopt-Long.spec b/perl-Getopt-Long.spec
index d990533..3e74bd8 100644
--- a/perl-Getopt-Long.spec
+++ b/perl-Getopt-Long.spec
@@ -1,6 +1,6 @@
 Name:           perl-Getopt-Long
 Epoch:          1
-Version:        2.54
+Version:        2.57
 Release:        1
 Summary:        Extended processing of command line options
 License:        Artistic or GPLv2+
@@ -51,13 +51,21 @@ make test
 %postun
 
 %files
-%doc Changes README examples
+%doc Changes README.md examples
 %{perl_vendorlib}/*
 
 %files help
 %{_mandir}/man3/*
 
 %changelog
+* Fri Jan 26 2024 dongyuzhen <dongyuzhen@h-partners.com> - 1:2.57-1
+- upgrade version to 2.57:
+  - fix long standing bug that duplicate options were not detected when the options differ in case while ignore_case is in effect
+  - allow periods in option names
+  - move Getopt::Long::Parser to a separate module and add documentation
+  - do not use Getopt::Long to establish Getopt::Long::Parser version
+  - adapt tests for perl core
+
 * Wed Jul 19 2023 dongyuzhen <dongyuzhen@h-partners.com> - 1:2.54-1
 - upgrade version to 2.54