diff --git a/.gitignore b/.gitignore
index 7584be0..5e577a2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@
 /libmatemixer-1.17.0.tar.xz
 /libmatemixer-1.18.0.tar.xz
 /libmatemixer-1.19.0.tar.xz
+/libmatemixer-1.20.0.tar.xz
diff --git a/libmatemixer.spec b/libmatemixer.spec
index 433b5d2..ff6aca3 100644
--- a/libmatemixer.spec
+++ b/libmatemixer.spec
@@ -2,7 +2,7 @@
 %global rel_build 1
 
 # This is needed, because src-url contains branched part of versioning-scheme.
-%global branch 1.19
+%global branch 1.20
 
 # Settings used for build from snapshots.
 %{!?rel_build:%global commit ee0a62c8759040d84055425954de1f860bac8652}
@@ -16,7 +16,7 @@ Name:        libmatemixer
 Summary:     Mixer library for MATE desktop
 Version:     %{branch}.0
 %if 0%{?rel_build}
-Release:     2%{?dist}
+Release:     1%{?dist}
 %else
 Release:     0.6%{?git_rel}%{?dist}
 %endif
@@ -47,7 +47,11 @@ Requires: %{name}%{?_isa} = %{version}-%{release}
 Development libraries for libmatemixer
 
 %prep
-%setup -q%{!?rel_build:n %{name}-%{commit}}
+%if 0%{?rel_build}
+%autosetup -p1
+%else
+%autosetup -n %{name}-%{commit} -p1
+%endif
 
 %if 0%{?rel_build}
 #NOCONFIGURE=1 ./autogen.sh
@@ -96,6 +100,10 @@ find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
 
 
 %changelog
+* Sat Feb 10 2018 Wolfgang Ulbrich <fedora@raveit.de> - 1.20.0-1
+- update to 1.20.0 release
+- switch to using autosetup
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.19.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
 
diff --git a/sources b/sources
index fa084b0..dc8f7ed 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libmatemixer-1.19.0.tar.xz) = 92892fd49101d268cb1c6536aa96dad49b69a50263d78eec293902e774d5d1973f0c5b82a2a104a056248f2b718181d0d055a7103431e2dd03729e83536e8ce2
+SHA512 (libmatemixer-1.20.0.tar.xz) = bab8868b58d66a2a2b1588b99b9ef676eabc17ebaa3e34bf8551c338d470030130b1d0299519b4153fade97598ec47b47336688fc80be2b2ad3de9739ddc74f2