diff --git a/opencl-headers.spec b/opencl-headers.spec
index 8a2ee47..2c3a710 100644
--- a/opencl-headers.spec
+++ b/opencl-headers.spec
@@ -1,5 +1,5 @@
 Name:          opencl-headers
-Version:       2.1.20161129
+Version:       2.2.20170516
 Release:       1mamba
 Summary:       Khronos OpenCL development headers (API %{version})
 Group:         Development/Libraries
@@ -49,6 +49,9 @@ install -m644 \
 %{_includedir}/CL/*.hpp
 
 %changelog
+* Mon Aug 07 2017 Automatic Build System <autodist@mambasoft.it> 2.2.20170516-1mamba
+- automatic version update by autodist
+
 * Fri Mar 03 2017 Automatic Build System <autodist@mambasoft.it> 2.1.20161129-1mamba
 - automatic version update by autodist