diff --git a/libxerces-c.spec b/libxerces-c.spec
index 3901231..0b100b6 100644
--- a/libxerces-c.spec
+++ b/libxerces-c.spec
@@ -1,7 +1,7 @@
 #%define        pckver  %(echo %version | tr '.' '_')
 %define        majver %(echo %version | cut -d. -f 1-2)
 Name:          libxerces-c
-Version:       3.1.2
+Version:       3.1.3
 Release:       1mamba
 Summary:       A validating XML parser written in a portable subset of C++
 Group:         System/Libraries
@@ -143,6 +143,9 @@ export XERCESCROOT=$(pwd)
 %doc doc samples
 
 %changelog
+* Mon May 02 2016 Automatic Build System <autodist@mambasoft.it> 3.1.3-1mamba
+- automatic version update by autodist
+
 * Thu Apr 30 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 3.1.2-1mamba
 - update to 3.1.2