diff --git a/alsa-lib-1.2.3-config.patch b/alsa-lib-1.2.3.1-config.patch
similarity index 94%
rename from alsa-lib-1.2.3-config.patch
rename to alsa-lib-1.2.3.1-config.patch
index 3926a98..95961a5 100644
--- a/alsa-lib-1.2.3-config.patch
+++ b/alsa-lib-1.2.3.1-config.patch
@@ -1,5 +1,5 @@
 diff --git a/src/conf/alsa.conf b/src/conf/alsa.conf
-index 08370108..dea39af1 100644
+index 18427ec6..1915af4e 100644
 --- a/src/conf/alsa.conf
 +++ b/src/conf/alsa.conf
 @@ -80,8 +80,7 @@ defaults.pcm.nonblock 1
@@ -9,7 +9,7 @@ index 08370108..dea39af1 100644
 -defaults.pcm.ipc_gid audio
 -defaults.pcm.ipc_perm 0660
 +defaults.pcm.ipc_perm 0600
- defaults.pcm.tstamp_type "default"
+ defaults.pcm.tstamp_type default
  defaults.pcm.dmix.max_periods 0
  defaults.pcm.dmix.channels 2
 diff --git a/src/conf/pcm/dmix.conf b/src/conf/pcm/dmix.conf
diff --git a/alsa-lib.spec b/alsa-lib.spec
index af4d272..5ee696a 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
+%define version_alsa_lib  1.2.3.1
 %define version_alsa_ucm  1.2.3
 %define version_alsa_tplg 1.2.3
 
 Summary:  The Advanced Linux Sound Architecture (ALSA) library
 Name:     alsa-lib
 Version:  %{version_alsa_lib}
-Release:  8%{?prever_dot}%{?dist}
+Release:  1%{?prever_dot}%{?dist}
 License:  LGPLv2+
 URL:      http://www.alsa-project.org/
 
@@ -21,7 +21,7 @@ Source11: modprobe-dist-alsa.conf
 Source12: modprobe-dist-oss.conf
 Source40: alsa-ucm-conf.patch
 Patch0:   alsa-git.patch
-Patch1:   alsa-lib-1.2.3-config.patch
+Patch1:   alsa-lib-1.2.3.1-config.patch
 Patch2:   alsa-lib-1.0.14-glibc-open.patch
 
 BuildRequires:  doxygen
@@ -156,6 +156,9 @@ rm %{buildroot}/%{_includedir}/asoundlib.h
 %{_datadir}/alsa/topology
 
 %changelog
+* Thu Jun 18 2020 Jaroslav Kysela <perex@perex.cz> - 1.2.3.1-1
+- update to 1.2.3.1
+
 * Sun Jun  7 2020 Jaroslav Kysela <perex@perex.cz> - 1.2.3-8
 - update to 1.2.3
 
diff --git a/sources b/sources
index c06023c..5711402 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
-SHA512 (alsa-lib-1.2.3.tar.bz2) = 567c094914833af511bd7b175b0865ae4e4483ae68a7d4f90a34b12d7f077782835eec24257a7928631c104c78eff588f7b92068aade37e3c4806d79353758a8
+SHA512 (alsa-lib-1.2.3.1.tar.bz2) = ed0a81371117a91a5024f3bef5a881ffa9521399eab5e016924669a3f1eba2d6a02efa284b160089bc581717d39d15325ebb2faf162e4d3dabe4c29785a5fb58
 SHA512 (alsa-ucm-conf-1.2.3.tar.bz2) = 1bdb024170f1dc18170c1d3699798c14d9cc7bbaccfe6eaef1fac0ec8c28074d08ed722bf47996682d4a0737138112b7eb4d45e224f00b027b3331da728e47cd
 SHA512 (alsa-topology-conf-1.2.3.tar.bz2) = e57439212fd76d1d0c1677654ae7cecef0f89c01a6c57f5f00a02ecd2f6d9f22dc31ed4f301cf82464d98ac32c01f2015a91a5b51d08268ddfeb4265e9b951b9