diff --git a/perl-Devel-Cycle.spec b/perl-Devel-Cycle.spec
index 932fe6d..cfe94d2 100644
--- a/perl-Devel-Cycle.spec
+++ b/perl-Devel-Cycle.spec
@@ -1,6 +1,6 @@
 Name:           perl-Devel-Cycle
 Version:        1.12
-Release:        11%{?dist}
+Release:        12%{?dist}
 Summary:        Find memory cycles in objects
 License:        GPL+ or Artistic
 URL:            https://metacpan.org/release/Devel-Cycle
@@ -8,8 +8,11 @@ Source0:        https://cpan.metacpan.org/authors/id/L/LD/LDS/Devel-Cycle-%{vers
 Patch0:         Devel-Cycle-1.11-512.patch
 BuildArch:      noarch
 # Module Build
-BuildRequires:  perl-interpreter
+BuildRequires:  coreutils
+BuildRequires:  findutils
+BuildRequires:  make
 BuildRequires:  perl-generators
+BuildRequires:  perl-interpreter
 BuildRequires:  perl(ExtUtils::MakeMaker)
 # Module Runtime
 BuildRequires:  perl(Carp)
@@ -22,7 +25,7 @@ BuildRequires:  perl(warnings)
 # Test Suite
 BuildRequires:  perl(overload)
 BuildRequires:  perl(Test::More)
-# Runtime
+# Dependencies
 Requires:       perl(:MODULE_COMPAT_%(eval "`perl -V:version`"; echo $version))
 Requires:       perl(PadWalker) >= 1.0
 
@@ -43,8 +46,8 @@ make %{?_smp_mflags}
 
 %install
 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}
 
 %check
 make test
@@ -55,6 +58,10 @@ make test
 %{_mandir}/man3/Devel::Cycle.3*
 
 %changelog
+* Mon Nov 19 2018 Paul Howarth <paul@city-fan.org> - 1.12-12
+- Specify all build dependencies
+- Simplify find command using -delete
+
 * Fri Jul 13 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.12-11
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild