diff --git a/libslang.spec b/libslang.spec
index 094c20c..19440f9 100644
--- a/libslang.spec
+++ b/libslang.spec
@@ -1,6 +1,6 @@
 %define majversion %(echo %version | cut -d. -f 1-2)
 Name:          libslang
-Version:       2.3.0
+Version:       2.3.1a
 Release:       1mamba
 Summary:       The shared library for the S-Lang extension language
 Group:         System/Libraries
@@ -109,6 +109,9 @@ chmod 755 %{buildroot}%{_libdir}/*.so.*
 %doc doc README
 
 %changelog
+* Fri Dec 16 2016 Automatic Build System <autodist@mambasoft.it> 2.3.1a-1mamba
+- automatic version update by autodist
+
 * Mon Mar 16 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 2.3.0-1mamba
 - update to 2.3.0