diff --git a/0001-Make-function-tests-more-robust.patch b/0001-Make-function-tests-more-robust.patch
deleted file mode 100644
index 5380e4b..0000000
--- a/0001-Make-function-tests-more-robust.patch
+++ /dev/null
@@ -1,28 +0,0 @@
-From 1747cdf9f98cfd3aada9bf6c09f9d46297e18a5e Mon Sep 17 00:00:00 2001
-From: Paul Howarth <paul@city-fan.org>
-Date: Sat, 22 Aug 2020 13:16:00 +0100
-Subject: [PATCH] Make function tests more robust
-
-Actually try calling the function rather than just referencing it.
-This prevents some false-positive function detections, such as seen in
-https://github.com/toddr/IO-Tty/issues/23
----
- Makefile.PL | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/Makefile.PL b/Makefile.PL
-index 3ff081b..25824d1 100644
---- a/Makefile.PL
-+++ b/Makefile.PL
-@@ -160,7 +160,7 @@ main ()
- #if defined (__stub_$f) || defined (__stub___$f)
- choke me
- #else
--f = $f;
-+f = $f ();
- #endif
- 
-   ;
--- 
-2.26.2
-
diff --git a/perl-IO-Tty.spec b/perl-IO-Tty.spec
index de206d6..77c052b 100644
--- a/perl-IO-Tty.spec
+++ b/perl-IO-Tty.spec
@@ -1,11 +1,10 @@
 Name:           perl-IO-Tty
-Version:        1.14
-Release:        5%{?dist}
+Version:        1.15
+Release:        1%{?dist}
 Summary:        Perl interface to pseudo tty's
 License:        (GPL+ or Artistic) and BSD
 URL:            https://metacpan.org/release/IO-Tty
 Source0:        https://cpan.metacpan.org/modules/by-module/IO/IO-Tty-%{version}.tar.gz
-Patch0:         0001-Make-function-tests-more-robust.patch
 # Module Build
 BuildRequires:  coreutils
 BuildRequires:  findutils
@@ -41,10 +40,6 @@ IO::Tty and IO::Pty provide an interface to pseudo tty's.
 %prep
 %setup -q -n IO-Tty-%{version}
 
-# Prevent false-positive detection of functions, e.g strlcpy() and _getpty()
-# https://github.com/toddr/IO-Tty/pull/24
-%patch0 -p1
-
 %build
 perl Makefile.PL INSTALLDIRS=vendor OPTIMIZE="%{optflags}" NO_PACKLIST=1 NO_PERLLOCAL=1
 %{make_build}
@@ -66,6 +61,13 @@ make test
 %{_mandir}/man3/IO::Tty::Constant.3*
 
 %changelog
+* Wed Nov  4 2020 Paul Howarth <paul@city-fan.org> - 1.15-1
+- Update to 1.15
+  - Skip winsize test on Solaris and QNX NTO (GH#22)
+  - Make function tests more robust (GH#24)
+  - Work around a header name collision on util.h; this is breaking on recent
+    OSX (GH#26)
+
 * Sat Aug 22 2020 Paul Howarth <paul@city-fan.org> - 1.14-5
 - Fix FTBFS due to false detection of strlcpy() and _getpty()
   https://github.com/toddr/IO-Tty/pull/24
diff --git a/sources b/sources
index 524ff74..07e4d00 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (IO-Tty-1.14.tar.gz) = 4d6a5299f87eab0281f5e26953bc1537d760d88c486de9c8512750af733d5e466e059400a310746eb8fe432b8c8dcb82055c4cfbb1d31e25c9ce874557618305
+SHA512 (IO-Tty-1.15.tar.gz) = 55329833d2e5ac426c0b69224e0af41d86c8dfd935c3698eb15800f0b7f48610651403ea54d9c7cad2f71b7c1080e957fa3706912680204f9b83c801095d2648