diff --git a/.gitignore b/.gitignore
index 44d478b..df6655e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@
 /Clone-0.42.tar.gz
 /Clone-0.43.tar.gz
 /Clone-0.44.tar.gz
+/Clone-0.45.tar.gz
diff --git a/perl-Clone.spec b/perl-Clone.spec
index ca6de7e..30ed36c 100644
--- a/perl-Clone.spec
+++ b/perl-Clone.spec
@@ -1,5 +1,5 @@
 Name:           perl-Clone
-Version:        0.44
+Version:        0.45
 Release:        1%{?dist}
 Summary:        Recursively copy perl data types
 License:        GPL+ or Artistic
@@ -26,8 +26,7 @@ BuildRequires:  perl(utf8)
 BuildRequires:  perl(warnings)
 # Optional tests:
 BuildRequires:  perl(B)
-# Not in Fedora, added as a test requirement with 0.44
-# BuildRequires: perl(B::COW)
+BuildRequires:  perl(B::COW) >= 0.004
 BuildRequires:  perl(Data::Dumper)
 BuildRequires:  perl(Devel::Peek)
 BuildRequires:  perl(Hash::Util::FieldHash)
@@ -62,10 +61,7 @@ find %{buildroot} -type f -name '*.bs' -empty -delete
 %{_fixperms} -c %{buildroot}
 
 %check
-# Re-enable if/when B::COW is packaged
-%if 0
 make test
-%endif
 
 %files
 %doc Changes README.md
@@ -74,8 +70,16 @@ make test
 %{_mandir}/man3/Clone.3*
 
 %changelog
+* Fri Apr 24 2020 Paul Howarth <paul@city-fan.org> - 0.45-1
+- Update to 0.45
+  - Bump B::COW requirement to fix big-endian issue
+- Re-enable tests
+
 * Tue Apr 21 2020 Tom Callaway <spot@fedoraproject.org> - 0.44-1
-- update to 0.44
+- Update to 0.44
+  - Support Perls with COW disabled
+  - Bump B::COW requirement for testing
+- Disable tests until B::COW is packaged
 
 * Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.43-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
diff --git a/sources b/sources
index c697fac..92931d8 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (Clone-0.44.tar.gz) = 6ac87ebedf37b308fc672959c324ed79becaa053ef80b1350e49738d04a4906e7eda68b58f9dbef7fe324e7abaf4fb71c4a8f70815f7328e8455c3de0f4d55ea
+SHA512 (Clone-0.45.tar.gz) = 4d91580fb60876cca7670411748e42e6af0eaba8fac25d60e7a50685ae7b1e697e12c8a2835693e3e4abf3c13c060a2740344eb804ec26ed274b895f599340af