diff --git a/elixir.spec b/elixir.spec
index 557bf76..13049ca 100644
--- a/elixir.spec
+++ b/elixir.spec
@@ -5,7 +5,7 @@
 
 Name:           elixir
 Version:        1.12.3
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        A modern approach to programming for the Erlang VM
 
 License:        ASL 2.0
@@ -13,6 +13,7 @@ URL:            http://elixir-lang.org/
 
 Source0:        https://github.com/elixir-lang/%{name}/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
 Source1:        https://github.com/elixir-lang/%{name}/releases/download/v%{version}/Docs.zip#/%{name}-%{version}-doc.zip
+Patch1:		elixir-0001-Fix-elixir-test-assertion-for-erlang-OTP-24.1-11309.patch
 # See https://bugzilla.redhat.com/1470583
 #BuildArch:      noarch
 BuildRequires: erlang-compiler
@@ -62,6 +63,7 @@ find -name ".build" -exec rm \{\} \;
 
 # Unpack elixir itself (Source0)
 %setup -q -D
+%patch1 -p1
 
 # Remove windows-specific scripts
 find -name '*.bat' -exec rm \{\} \;
@@ -154,6 +156,9 @@ HTML documentation for eex, elixir, iex, logger and mix.
 %doc docs/doc/eex docs/doc/elixir docs/doc/iex docs/doc/logger docs/doc/mix
 
 %changelog
+* Sat Nov  6 2021 Peter Lemenkov <lemenkov@gmail.com> - 1.12.3-3
+- Fix FTBFS with Erlang 24.1 (see GH#11309)
+
 * Fri Sep 24 2021 Timothée Floure <fnux@fedoraproject> - 1.12.3-1
 - New upstream release