diff --git a/opus.spec b/opus.spec
index 6044018..df06e91 100644
--- a/opus.spec
+++ b/opus.spec
@@ -15,6 +15,7 @@ Source2:  http://tools.ietf.org/rfc/rfc8251.txt
 BuildRequires: make
 BuildRequires: gcc
 BuildRequires: doxygen
+BuildRequires: libtool
 
 %description
 The Opus codec is designed for interactive speech and audio transmission over 
@@ -35,6 +36,7 @@ cp %{SOURCE1} .
 cp %{SOURCE2} .
 
 %build
+autoreconf -ivf
 %configure --enable-custom-modes --disable-static \
            --enable-hardening \
 %ifarch %{arm} %{arm64} %{power64}
@@ -72,6 +74,7 @@ make check %{?_smp_mflags} V=1
 * Thu Jan 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.3.1-12
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
 - Fix build in all arches, copied from Debian
+- Run autoreconf to make sure that autotools are updated
 
 * Fri Jul 22 2022 Fedora Release Engineering <releng@fedoraproject.org> - 1.3.1-11
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild