diff --git a/.gitignore b/.gitignore
index 8bf0d63..0a49eb8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 /tzdata2018d.tar.gz
 /tzdata2018e.tar.gz
 /tzdata2018f.tar.gz
+/tzdata2018g.tar.gz
diff --git a/perl-DateTime-TimeZone.spec b/perl-DateTime-TimeZone.spec
index 132aca0..d5eea4d 100644
--- a/perl-DateTime-TimeZone.spec
+++ b/perl-DateTime-TimeZone.spec
@@ -2,10 +2,10 @@
 %bcond_without perl_DateTime_TimeZone_enables_optional_test
 
 # Regenerate Perl library code from upstream Olson database of this date
-%global tzversion 2018f
+%global tzversion 2018g
 
 Name:           perl-DateTime-TimeZone
-Version:        2.20
+Version:        2.21
 Release:        1%{?dist}
 Summary:        Time zone object base class and factory
 # tzdata%%{tzversion}.tar.gz archive:   Public Domain
@@ -144,6 +144,9 @@ make test
 %{_mandir}/man3/*
 
 %changelog
+* Mon Oct 29 2018 Jitka Plesnikova <jplesnik@redhat.com> - 2.21-1
+- 2.21 bump (2018g Olson database)
+
 * Fri Oct 19 2018 Jitka Plesnikova <jplesnik@redhat.com> - 2.20-1
 - 2.20 bump (2018f Olson database)
 
diff --git a/sources b/sources
index 46776a0..5bf38ce 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (DateTime-TimeZone-2.20.tar.gz) = d368909ab6a581ba9da82bc333dcc2362b34aacdb3c047146dc2dd761b481d36dbbac462b035ab62b4e74a590c55fb7f78c12221823a52e7d6d145be7a268ccb
-SHA512 (tzdata2018f.tar.gz) = f876729419d45e2b861e564ec7d5940f34fab38c3fedc18852bb800010428c12506f71bde1f20feb23859065118ad4658d97efe89af6f4305cea2beafc515aeb
+SHA512 (DateTime-TimeZone-2.21.tar.gz) = 78d760bc0fab6781fd0f54f2394360b3ec82c5f39deb5a5ac287c649175e726ea1f7fe37a5528c58664bc316a2e0cf35062d77f5ef5a518f3ec8f010b6361de4
+SHA512 (tzdata2018g.tar.gz) = 92e9bbd61f51be8f2cf7ec9491691e5e2f97803914dbad77b7fb8b6600ed68fc3b98450fc808bb2d4c6c835df5f9eb7bf4529d059d9b1370f2ab4c12e7f1adfa