diff --git a/libqalculate.spec b/libqalculate.spec
index 3ba6142..d689f90 100644
--- a/libqalculate.spec
+++ b/libqalculate.spec
@@ -1,5 +1,5 @@
 Name:          libqalculate
-Version:       3.17.0
+Version:       3.18.0
 Release:       1mamba
 Summary:       Multi-purpose calculator library 
 Group:         System/Libraries
@@ -23,7 +23,6 @@ BuildRequires: libstdc++6-devel
 BuildRequires: libxml2-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 This library underpins the Qalculate! multi-purpose desktop calculator for GNU/Linux.
@@ -94,6 +93,9 @@ This package provides the text-mode interface for Qalculate!
 %{_mandir}/man1/qalc.1*
 
 %changelog
+* Mon Apr 05 2021 Automatic Build System <autodist@mambasoft.it> 3.18.0-1mamba
+- automatic version update by autodist
+
 * Tue Feb 16 2021 Automatic Build System <autodist@mambasoft.it> 3.17.0-1mamba
 - automatic version update by autodist