diff --git a/qtwebkit.spec b/qtwebkit.spec
index b0f9f43..697e57b 100644
--- a/qtwebkit.spec
+++ b/qtwebkit.spec
@@ -1,6 +1,6 @@
 Name:          qtwebkit
 Version:       5.6.0
-Release:       1mamba
+Release:       2mamba
 Summary:       A Qt based web browser engine
 Group:         System/Libraries
 Vendor:        openmamba
@@ -105,5 +105,8 @@ qmake-qt5
 %{_libdir}/cmake/Qt5WebKitWidgets/Qt5WebKit*.cmake
 
 %changelog
+* Sat Jun 04 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 5.6.0-2mamba
+- ensure rebuild against Qt 6.1.0
+
 * Thu May 05 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 5.6.0-1mamba
 - package created using the webbuild interface