diff --git a/jack.spec b/jack.spec
index 467b687..ffcd10e 100644
--- a/jack.spec
+++ b/jack.spec
@@ -2,7 +2,7 @@
 %define pkgver %(echo %version | tr _ -)
 Name:          jack
 Epoch:         1
-Version:       1.9.17
+Version:       1.9.18
 Release:       1mamba
 Summary:       A low-latency audio server that can connect a number of different applications to an audio device
 Group:         System/Libraries
@@ -48,7 +48,6 @@ BuildRequires: libcap-devel >= 1.10
 BuildRequires: libflac-devel >= 1.1.2
 BuildRequires: doxygen
 BuildRequires: libopus-devel >= 1.0.3-2mamba
-BuildRoot:     %{_tmppath}/%{name}-%{version}-buildroot
 Requires:      libjack == %{?epoch:%epoch:}%{version}-%{release}
 #Requires:      ffado
 Obsoletes:     oss2jack
@@ -199,6 +198,9 @@ exit 0
 #%doc README TODO ChangeLog
 
 %changelog
+* Thu Apr 15 2021 Automatic Build System <autodist@mambasoft.it> 1.9.18-1mamba
+- automatic version update by autodist
+
 * Thu Feb 04 2021 Automatic Build System <autodist@mambasoft.it> 1.9.17-1mamba
 - automatic version update by autodist