diff --git a/opencl-headers.spec b/opencl-headers.spec
index b292324..56efaf4 100644
--- a/opencl-headers.spec
+++ b/opencl-headers.spec
@@ -1,5 +1,5 @@
 Name:          opencl-headers
-Version:       2.0.20150827
+Version:       2.1.20151224
 Release:       1mamba
 Summary:       Khronos OpenCL development headers (API %{version})
 Group:         Development/Libraries
@@ -49,6 +49,9 @@ install -m644 \
 %{_includedir}/CL/*.hpp
 
 %changelog
+* Thu Dec 24 2015 Automatic Build System <autodist@mambasoft.it> 2.1.20151224-1mamba
+- automatic version update by autodist
+
 * Thu Aug 27 2015 Automatic Build System <autodist@mambasoft.it> 2.0.20150827-1mamba
 - automatic version update by autodist