diff --git a/.gitignore b/.gitignore
index febdc21..119f610 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /YAML-PP-0.018.tar.gz
 /YAML-PP-0.019.tar.gz
 /YAML-PP-0.020.tar.gz
+/YAML-PP-0.021.tar.gz
diff --git a/README.md b/README.md
index b00a316..a2266a4 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,3 @@
 # perl-YAML-PP
 
-YAML::PP is a modern, modular YAML processor. It aims to support C<YAML 1.2> and C<YAML 1.1>. See L<http://yaml.org/>.
\ No newline at end of file
+YAML::PP is a modern, modular YAML processor. It aims to support YAML 1.2 and YAML 1.1. See http://yaml.org/.
diff --git a/perl-YAML-PP.spec b/perl-YAML-PP.spec
index fdb4d42..ba0f7a2 100644
--- a/perl-YAML-PP.spec
+++ b/perl-YAML-PP.spec
@@ -1,5 +1,5 @@
 Name:           perl-YAML-PP
-Version:        0.020
+Version:        0.021
 Release:        1%{?dist}
 Summary:        YAML 1.2 processor
 License:        GPL+ or Artistic
@@ -35,6 +35,8 @@ BuildRequires:  perl(Module::Load)
 BuildRequires:  perl(overload)
 BuildRequires:  perl(Scalar::Util) >= 1.07
 BuildRequires:  perl(Term::ANSIColor) >= 4.02
+BuildRequires:  perl(Tie::Hash)
+BuildRequires:  perl(Tie::StdHash)
 # Tests
 BuildRequires:  perl(blib) >= 1.01
 BuildRequires:  perl(File::Spec)
@@ -88,6 +90,9 @@ make test
 %{_mandir}/man3/*
 
 %changelog
+* Mon Mar 02 2020 Jitka Plesnikova <jplesnik@redhat.com> - 0.021-1
+- 0.021 bump
+
 * Tue Feb 18 2020 Jitka Plesnikova <jplesnik@redhat.com> - 0.020-1
 - 0.020 bump
 
diff --git a/sources b/sources
index 5547827..60f5855 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (YAML-PP-0.020.tar.gz) = d86ba55ecd7b7e3fea17aebb9d1c0fbcfa1c35228fe0fff0cb878aaf79e51b3f5aeb1ab10bc3303ef9178845fb20fce5d92cae32ba32f87af4253698809702c5
+SHA512 (YAML-PP-0.021.tar.gz) = ab7ee5951ae3a8a11816d6f1408a3ca80cc05199f037e66a166c0e21996a4fdf20b8d0a10871b2a4ddac456f53abdbf83f4ffab5c50fb829fee96b4360d37a37