diff --git a/perl-Tie-EncryptedHash.rpmlintrc b/perl-Tie-EncryptedHash.rpmlintrc
new file mode 100644
index 0000000..9cc3a23
--- /dev/null
+++ b/perl-Tie-EncryptedHash.rpmlintrc
@@ -0,0 +1,3 @@
+from Config import *
+
+addFilter("spelling-error %description -l en_US (ciphertext|decrypt|keyspace) -> ")
diff --git a/perl-Tie-EncryptedHash.spec b/perl-Tie-EncryptedHash.spec
index bf58d9e..e833b2e 100644
--- a/perl-Tie-EncryptedHash.spec
+++ b/perl-Tie-EncryptedHash.spec
@@ -1,24 +1,34 @@
 Summary:	Hashes (and objects based on hashes) with encrypting fields
 Name:		perl-Tie-EncryptedHash
 Version:	1.24
-Release:	32%{?dist}
+Release:	33%{?dist}
 License:	GPL+ or Artistic
-Url:		https://metacpan.org/release/Tie-EncryptedHash
-Source0:	https://cpan.metacpan.org/authors/id/V/VI/VIPUL/Tie-EncryptedHash-%{version}.tar.gz
+URL:		https://metacpan.org/release/Tie-EncryptedHash
+Source0:	https://cpan.metacpan.org/modules/by-module/Tie/Tie-EncryptedHash-%{version}.tar.gz
 BuildArch:	noarch
-BuildRequires: make
+BuildRequires:	coreutils
+BuildRequires:	findutils
+BuildRequires:	make
 BuildRequires:	perl-generators
+BuildRequires:	perl-interpreter
 BuildRequires:	perl(ExtUtils::MakeMaker)
+BuildRequires:	sed
 # Run-time
 BuildRequires:	perl(Carp)
+BuildRequires:	perl(Crypt::Blowfish)
 BuildRequires:	perl(Crypt::CBC)
 BuildRequires:	perl(Crypt::DES)
 BuildRequires:	perl(Data::Dumper)
 BuildRequires:	perl(Digest::MD5)
+BuildRequires:	perl(strict)
+BuildRequires:	perl(vars)
 # Tests
-BuildRequires:	perl(Crypt::Blowfish)
 BuildRequires:	perl(lib)
+BuildRequires:	perl(warnings)
+# Dependencies
 Requires:	perl(:MODULE_COMPAT_%(eval "`perl -V:version`"; echo $version))
+Requires:	perl(Crypt::Blowfish)
+Requires:	perl(Crypt::DES)
 
 %description
 Tie::EncryptedHash augments Perl hash semantics to build secure, encrypting
@@ -40,6 +50,8 @@ default, but can be instructed to employ any cipher supported by Crypt::CBC(3).
 
 %prep
 %setup -q -n Tie-EncryptedHash-%{version}
+
+# Drop redundant shellbang in perl module
 sed -i -e '/^#! *\/usr\/bin\/perl /d' lib/Tie/EncryptedHash.pm
 
 %build
@@ -50,17 +62,28 @@ make %{?_smp_mflags}
 make test
 
 %install
-rm -rf %{buildroot}
 make pure_install DESTDIR=%{buildroot}
-find %{buildroot} -type f -name .packlist -exec rm -f {} ';'
-%{_fixperms} %{buildroot}
+find %{buildroot} -type f -name .packlist -delete
+%{_fixperms} -c %{buildroot}
 
 %files
-%doc Changes LICENSE README.html TODO
+%license LICENSE
+%doc Changes README.html TODO
 %{perl_vendorlib}/Tie/
-%{_mandir}/man3/Tie::EncryptedHash.3pm*
+%{_mandir}/man3/Tie::EncryptedHash.3*
 
 %changelog
+* Fri Jan 15 2021 Paul Howarth <paul@city-fan.org> - 1.24-33
+- Spec tidy-up
+  - Use author-independent source URL
+  - Specify all build dependencies
+  - Explicitly require default encryption module, Crypt::Blowfish
+  - Explicitly require Crypt::DES too, as per META.yml
+  - Drop redundant buildroot cleaning in %%install section
+  - Simplify find command using -delete
+  - Fix permissions verbosely
+  - Use %%license macro
+
 * Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.24-32
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild