diff --git a/libjson-rpc-cpp.spec b/libjson-rpc-cpp.spec
index d6614ec..5840d76 100644
--- a/libjson-rpc-cpp.spec
+++ b/libjson-rpc-cpp.spec
@@ -1,5 +1,5 @@
 Name:          libjson-rpc-cpp
-Version:       1.1.0
+Version:       1.2.0
 Release:       1mamba
 Summary:       C++ framework for json-rpc (json remote procedure call)
 Group:         System/Libraries
@@ -20,6 +20,7 @@ BuildRequires: libmicrohttpd-devel
 BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
+BuildRequires: libjsoncpp-devel >= 1.9.1
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -72,7 +73,6 @@ This package contains utility applications for %{name}.
 %defattr(-,root,root)
 %dir %{_includedir}/jsonrpccpp
 %{_includedir}/jsonrpccpp/*
-%{_prefix}/lib/pkgconfig/libjsonrpccpp-stub.pc
 %{_libdir}/libjsonrpccpp-client.so
 %{_libdir}/libjsonrpccpp-common.so
 %{_libdir}/libjsonrpccpp-server.so
@@ -83,6 +83,7 @@ This package contains utility applications for %{name}.
 %{_libdir}/pkgconfig/libjsonrpccpp-client.pc
 %{_libdir}/pkgconfig/libjsonrpccpp-common.pc
 %{_libdir}/pkgconfig/libjsonrpccpp-server.pc
+%{_libdir}/pkgconfig/libjsonrpccpp-stub.pc
 %doc README.md
 
 %files tools
@@ -91,5 +92,8 @@ This package contains utility applications for %{name}.
 %{_mandir}/man1/jsonrpcstub.1*
 
 %changelog
+* Mon Oct 07 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.2.0-1mamba
+- update to 1.2.0
+
 * Mon May 07 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 1.1.0-1mamba
 - package created using the webbuild interface