diff --git a/libmatio.spec b/libmatio.spec
index 944763d..7d0cbc6 100644
--- a/libmatio.spec
+++ b/libmatio.spec
@@ -1,5 +1,5 @@
 Name:          libmatio
-Version:       1.5.10
+Version:       1.5.11
 Release:       1mamba
 Summary:       An ISO C library (with a limited Fortran 90 interface) for reading and writing Matlab MAT files
 Group:         System/Libraries
@@ -59,6 +59,9 @@ This package contains static libraries and header files need for development.
 %doc NEWS
 
 %changelog
+* Thu Dec 21 2017 Automatic Build System <autodist@mambasoft.it> 1.5.11-1mamba
+- automatic version update by autodist
+
 * Mon Mar 20 2017 Automatic Build System <autodist@mambasoft.it> 1.5.10-1mamba
 - automatic version update by autodist