diff --git a/vamp-plugin-sdk.spec b/vamp-plugin-sdk.spec
index 53db6a9..80e59bd 100644
--- a/vamp-plugin-sdk.spec
+++ b/vamp-plugin-sdk.spec
@@ -1,13 +1,13 @@
 Name:          vamp-plugin-sdk
-Version:       2.5
-Release:       3mamba
+Version:       2.6
+Release:       1mamba
 Summary:       An API for audio analysis and feature extraction plugins
 Group:         Applications/Multimedia
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://vamp-plugins.org/
-Source:        http://code.soundsoftware.ac.uk/attachments/download/690/vamp-plugin-sdk-%{version}.tar.gz
+Source:        https://code.soundsoftware.ac.uk/attachments/download/1520/vamp-plugin-sdk-%{version}.tar.gz
 License:       BSD
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -89,6 +89,9 @@ rm -f %{buildroot}%{_libdir}/libvamp-*.la
 %doc README README.compat
 
 %changelog
+* Fri May 20 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 2.6-1mamba
+- update to 2.6
+
 * Fri Jan 01 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 2.5-3mamba
 - rebuilt with gcc 5.3.0