diff --git a/.gitignore b/.gitignore
index 5ed6f64..93b319e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,4 @@
 /DateTime-TimeZone-1.54.tar.gz
 /DateTime-TimeZone-1.56.tar.gz
 /DateTime-TimeZone-1.57.tar.gz
+/DateTime-TimeZone-1.58.tar.gz
diff --git a/perl-DateTime-TimeZone.spec b/perl-DateTime-TimeZone.spec
index d97ac18..94cb8bb 100644
--- a/perl-DateTime-TimeZone.spec
+++ b/perl-DateTime-TimeZone.spec
@@ -1,5 +1,5 @@
 Name:           perl-DateTime-TimeZone
-Version:        1.57
+Version:        1.58
 Release:        1%{?dist}
 Summary:        Time zone object base class and factory
 License:        GPL+ or Artistic
@@ -79,6 +79,9 @@ make test
 %{_mandir}/man3/*
 
 %changelog
+* Wed Mar 20 2013 Iain Arnell <iarnell@gmail.com> 1.58-1
+- update to latest upstream version - Olson 2013b
+
 * Sun Mar 03 2013 Iain Arnell <iarnell@gmail.com> 1.57-1
 - update to latest upstream version - Olson 2013a
 
diff --git a/sources b/sources
index 1d7cbdc..868fcef 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-3124f2efb452c4631fe17d962d9e621a  DateTime-TimeZone-1.57.tar.gz
+a815c7a18b3386ff2d2f6bcadab61fb6  DateTime-TimeZone-1.58.tar.gz