diff --git a/13.patch b/13.patch
new file mode 100644
index 0000000..a68230e
--- /dev/null
+++ b/13.patch
@@ -0,0 +1,37 @@
+From f45d9fd5dd56139698e34bcd82fdd329f77a67ab Mon Sep 17 00:00:00 2001
+From: Tony Cook <tony@develop-help.com>
+Date: Mon, 13 Feb 2023 14:16:49 +1100
+Subject: [PATCH] t/: use the the "isnt" form rather than "isn't" due to
+ deprecated '
+
+Perl 5.38 (and current blead perl) deprecate use of ' to replace
+:: in symbol names.
+
+This will produce an error from perl 5.40.
+---
+ t/parent-classfromclassfile.t | 2 +-
+ t/parent-classfromfile.t      | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/t/parent-classfromclassfile.t b/t/parent-classfromclassfile.t
+index 6d92e2d..0aa7e54 100755
+--- a/t/parent-classfromclassfile.t
++++ b/t/parent-classfromclassfile.t
+@@ -18,4 +18,4 @@ use_ok('parent');
+ # and does not get treated as a file:
+ eval q{package Test1; require Dummy; use parent -norequire, 'Dummy::InlineChild'; };
+ is $@, '', "Loading an unadorned class works";
+-isn't $INC{"Dummy.pm"}, undef, 'We loaded Dummy.pm';
++isnt $INC{"Dummy.pm"}, undef, 'We loaded Dummy.pm';
+diff --git a/t/parent-classfromfile.t b/t/parent-classfromfile.t
+index 13dbcc1..7afabe9 100755
+--- a/t/parent-classfromfile.t
++++ b/t/parent-classfromfile.t
+@@ -20,6 +20,6 @@ my $base = './t';
+ # and does not get treated as a file:
+ eval sprintf q{package Test2; require '%s/lib/Dummy2.plugin'; use parent -norequire, 'Dummy2::InlineChild' }, $base;
+ is $@, '', "Loading a class from a file works";
+-isn't $INC{"$base/lib/Dummy2.plugin"}, undef, "We loaded the plugin file";
++isnt $INC{"$base/lib/Dummy2.plugin"}, undef, "We loaded the plugin file";
+ my $o = bless {}, 'Test2';
+ isa_ok $o, 'Dummy2::InlineChild';
diff --git a/perl-parent.spec b/perl-parent.spec
index 6619555..6e2a599 100644
--- a/perl-parent.spec
+++ b/perl-parent.spec
@@ -1,11 +1,12 @@
 Name:		perl-parent
 Epoch:		1
-Version:	0.239
-Release:	2%{?dist}
+Version:	0.240
+Release:	1%{?dist}
 Summary:	Establish an ISA relationship with base classes at compile time
 License:	GPL-1.0-or-later OR Artistic-1.0-Perl
 URL:		https://metacpan.org/release/parent
 Source0:	https://cpan.metacpan.org/authors/id/C/CO/CORION/parent-%{version}.tar.gz
+Patch0:		https://patch-diff.githubusercontent.com/raw/Corion/parent/pull/13.patch
 BuildArch:	noarch
 # Module Build
 BuildRequires:	coreutils
@@ -37,6 +38,10 @@ from those modules at the same time. Mostly similar in effect to:
 %prep
 %setup -q -n parent-%{version}
 
+# Actually include the patch that should have been in 0.240
+# https://github.com/Corion/parent/pull/13
+%patch0 -p1
+
 %build
 perl Makefile.PL INSTALLDIRS=vendor
 make %{?_smp_mflags}
@@ -55,6 +60,12 @@ make test
 %{_mandir}/man3/parent.3*
 
 %changelog
+* Tue Feb 14 2023 Paul Howarth <paul@city-fan.org> - 1:0.240-1
+- Update to 0.240
+  - Use Test::More::isnt() instead of Test::More::isn't in tests, which is
+    deprecated, as ' isn't allowed as package separator in an upcoming version
+    of Perl (GH#13)
+
 * Fri Jan 20 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.239-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
 
diff --git a/sources b/sources
index 6753ded..6d43a6b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (parent-0.239.tar.gz) = 4bbf5225d745a98e615adb3acc856b816b1f24d8c666a3933d6aa19561ef9a3198e4dc1c5d63cd0b40b7675af844eaa243b89d34a67caf2525c2999d6c982345
+SHA512 (parent-0.240.tar.gz) = d0f8702efacbbda99f645c17bd67b52b4f39c1a3b5c3fb0b8a21ebf0a754735e34f9b33d27b4a2617f8da6af37df382226147793bac9a0f438039ca28f81661b