diff --git a/alsa-lib.spec b/alsa-lib.spec
index 9fa60fa..c5ed308 100644
--- a/alsa-lib.spec
+++ b/alsa-lib.spec
@@ -2,14 +2,14 @@
 #define  prever_dot .rc3
 #define  postver    a
 
-%define version_alsa_lib  1.2.3.2
-%define version_alsa_ucm  1.2.3
-%define version_alsa_tplg 1.2.3
+%define version_alsa_lib  1.2.4
+%define version_alsa_ucm  1.2.4
+%define version_alsa_tplg 1.2.4
 
 Summary:  The Advanced Linux Sound Architecture (ALSA) library
 Name:     alsa-lib
 Version:  %{version_alsa_lib}
-Release:  5%{?prever_dot}%{?dist}
+Release:  1%{?prever_dot}%{?dist}
 License:  LGPLv2+
 URL:      http://www.alsa-project.org/
 
@@ -79,8 +79,10 @@ contains alsa-lib configuration of SoC topology
 # introduces a new mechanism for symbol versioning which works with LTO.
 # Converting packages to use that mechanism instead of toplevel ASMs is
 # recommended.
+# Note: The v1.2.4 contains changes wich are compatible with gcc-10 LTO
+# although using the old ASM constructs.
 # Disable LTO
-%define _lto_cflags %{nil}
+#%define _lto_cflags %{nil}
 
 autoreconf -vif
 %configure --disable-aload --with-plugindir=%{_libdir}/alsa-lib --disable-alisp
@@ -164,6 +166,10 @@ rm %{buildroot}/%{_includedir}/asoundlib.h
 %{_datadir}/alsa/topology
 
 %changelog
+* Thu Oct 15 2020 Jaroslav Kysela <perex@perex.cz> - 1.2.4-1
+- update to 1.2.4
+- enable LTO
+
 * Fri Jul 31 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.2.3.2-5
 - Second attempt - Rebuilt for
   https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
diff --git a/sources b/sources
index b4c2e87..09f412c 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
-SHA512 (alsa-lib-1.2.3.2.tar.bz2) = 1fbc6360fda841bd9ca488739bdc9f4142c1b4a07ff767f48f1e160e3d4dff914aed422c97088e238b5e77d7e30aa79ff72569c3348a4cf4a412e1e4bce0bf2a
-SHA512 (alsa-ucm-conf-1.2.3.tar.bz2) = 1bdb024170f1dc18170c1d3699798c14d9cc7bbaccfe6eaef1fac0ec8c28074d08ed722bf47996682d4a0737138112b7eb4d45e224f00b027b3331da728e47cd
-SHA512 (alsa-topology-conf-1.2.3.tar.bz2) = e57439212fd76d1d0c1677654ae7cecef0f89c01a6c57f5f00a02ecd2f6d9f22dc31ed4f301cf82464d98ac32c01f2015a91a5b51d08268ddfeb4265e9b951b9
+SHA512 (alsa-lib-1.2.4.tar.bz2) = 3577a65f803c8ee112c44954d3594c4ae0ddaf26ffa66e1e9974120e245de573e4aec143f82ca0e4ca82e828b94d539e9bc564a43026efa5b1787cdadc029afb
+SHA512 (alsa-ucm-conf-1.2.4.tar.bz2) = 9043460e92b2ed44757b08b9faca888e8bfae40d84e4ad7e7df44df2bb3b0617e86ef23783973accd62fb6681788262e67212e2bf67178d75781e57a0fa346d2
+SHA512 (alsa-topology-conf-1.2.4.tar.bz2) = e5b367a23f42ed2c2a83f3dd9df264b4e054f5ba7c4be98520418598f0b06a11627498a8a6ef943522b209951645f83bbbbfb32db7c9c8260aa5db08358970cb