diff --git a/.gitignore b/.gitignore
index 0fc1545..5ed6f64 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,4 @@
 /DateTime-TimeZone-1.52.tar.gz
 /DateTime-TimeZone-1.54.tar.gz
 /DateTime-TimeZone-1.56.tar.gz
+/DateTime-TimeZone-1.57.tar.gz
diff --git a/perl-DateTime-TimeZone.spec b/perl-DateTime-TimeZone.spec
index 80a0006..d97ac18 100644
--- a/perl-DateTime-TimeZone.spec
+++ b/perl-DateTime-TimeZone.spec
@@ -1,6 +1,6 @@
 Name:           perl-DateTime-TimeZone
-Version:        1.56
-Release:        2%{?dist}
+Version:        1.57
+Release:        1%{?dist}
 Summary:        Time zone object base class and factory
 License:        GPL+ or Artistic
 Group:          Development/Libraries
@@ -79,6 +79,9 @@ make test
 %{_mandir}/man3/*
 
 %changelog
+* Sun Mar 03 2013 Iain Arnell <iarnell@gmail.com> 1.57-1
+- update to latest upstream version - Olson 2013a
+
 * Thu Feb 14 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.56-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild
 
diff --git a/sources b/sources
index 2aed267..1d7cbdc 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-cb1b51137568520f6b4f248ab2b7b818  DateTime-TimeZone-1.56.tar.gz
+3124f2efb452c4631fe17d962d9e621a  DateTime-TimeZone-1.57.tar.gz