diff --git a/.gitignore b/.gitignore
index b9144b8..c3fa07e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,4 @@
 /tzdata2020c.tar.gz
 /tzdata2020d.tar.gz
 /tzdata2020e.tar.gz
+/tzdata2021a.tar.gz
diff --git a/perl-DateTime-TimeZone.spec b/perl-DateTime-TimeZone.spec
index 5ce2195..eb9acd5 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 2020e
+%global tzversion 2021a
 
 Name:           perl-DateTime-TimeZone
-Version:        2.46
+Version:        2.47
 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
+* Tue Jan 26 2021 Jitka Plesnikova <jplesnik@redhat.com> - 2.47-1
+- 2.47 bump (2021a Olson database)
+
 * Mon Jan 04 2021 Jitka Plesnikova <jplesnik@redhat.com> - 2.46-1
 - 2.46 bump (2020e Olson database)
 
diff --git a/sources b/sources
index 6361b22..b32e823 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (DateTime-TimeZone-2.46.tar.gz) = baccc5d51e5e759b5190a6f437556051a7c95ca7c512b47c91eb3a01f951fffeec74be11f620bb3b09a43e661a900f6bcf92ac27bfda8cf8cb8b33b9b66492e8
-SHA512 (tzdata2020e.tar.gz) = 1e64b5c91b9e56923cf8e3e079781c59c8afb6c379b38b9b91ef493929814d50c29a6368cfcf77db08a7af3b6876387bac5617f64ac965a5bddab436d17862c4
+SHA512 (DateTime-TimeZone-2.47.tar.gz) = 483c5314fa520c1597ad9c819b6785302cc77d719e4042babe6a35e72e7600e9b9d506950979d4051825588ad45efb0a2023bc08340e6fbb308f03706f3438bf
+SHA512 (tzdata2021a.tar.gz) = 7cdd762ec90ce12a30fa36b1d66d1ea82d9fa21e514e2b9c7fcbe2541514ee0fadf30843ff352c65512fb270857b51d1517b45e1232b89c6f954ba9ff1833bb3