diff --git a/perl-IO-Tty.spec b/perl-IO-Tty.spec
index 49492cd..d2e46db 100644
--- a/perl-IO-Tty.spec
+++ b/perl-IO-Tty.spec
@@ -1,5 +1,5 @@
 Name:           perl-IO-Tty
-Version:        1.18
+Version:        1.20
 Release:        1%{?dist}
 Summary:        Perl interface to pseudo tty's
 License:        (GPL-1.0-or-later OR Artistic-1.0-Perl) AND BSD-2-Clause
@@ -61,6 +61,13 @@ make test
 %{_mandir}/man3/IO::Tty::Constant.3*
 
 %changelog
+* Fri Dec 29 2023 Paul Howarth <paul@city-fan.org> - 1.20-1
+- Update to 1.20 (rhbz#2256127)
+  - Remove --no-undefined from compiler test, which is not compatible with all
+    platforms (GH#37)
+  - Skip t/pty_get_winsize.t tests on AIX (GH#32)
+  - Fix patchlevel check for util.h (GH#27)
+
 * Tue Nov 28 2023 Paul Howarth <paul@city-fan.org> - 1.18-1
 - Update to 1.18 (rhbz#2251844)
   - Address Freebsd build issue: make function checks more robust within
diff --git a/sources b/sources
index fa4b060..e22c4a5 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (IO-Tty-1.18.tar.gz) = 45f5e8856c8bd1169bf094407512cce901efe3cefadd279dff9aaee7c81289a160fa3589f0c01cc5829bcee3ed5d1eaf95002ca2207151d31ce293076dc86c06
+SHA512 (IO-Tty-1.20.tar.gz) = a411dcc3da4adf4913ceaca7d97198041c6870ac8b579a1d5c2517d984fab4cc8108962b23ee694da9e0c952f35d695e636ff35589873b95a86c2bf8c1838ee4