diff --git a/libixion.spec b/libixion.spec
index a24868d..dd10378 100644
--- a/libixion.spec
+++ b/libixion.spec
@@ -1,7 +1,7 @@
 %define apiver %(echo %version | cut -d. -f1-2)
 Name:          libixion
-Version:       0.14.1
-Release:       2mamba
+Version:       0.15.0
+Release:       1mamba
 Summary:       A general purpose formula parser and interpreter that can calculate multiple named targets, or “cells”
 Group:         System/Libraries
 Vendor:        openmamba
@@ -16,11 +16,14 @@ Patch2:        libixion-0.5.0-libboost-1.52.patch
 License:       MIT
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: ldconfig
 BuildRequires: libboost-devel
 BuildRequires: libgcc
+BuildRequires: libpython-devel
 BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 BuildRequires: libboost-devel >= 1.69.0-2mamba
+BuildRequires: libspdlog-devel
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -99,6 +102,9 @@ sed -i "s|python3 >= 3.4|python-3.6 >= 3.4|" configure.ac
 #%{_bindir}/ixion-test
 
 %changelog
+* Sat Feb 01 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 0.15.0-1mamba
+- update to 0.15.0
+
 * Tue Feb 12 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 0.14.1-2mamba
 - rebuilt with libboost 1.69.0-2mamba