diff --git a/libboost.spec b/libboost.spec
index 16f0e66..5794067 100644
--- a/libboost.spec
+++ b/libboost.spec
@@ -1,7 +1,7 @@
 %define pckver %(echo %version | tr . _)
 %define pckmajver %(echo %version | cut -d. -f1-2 | tr . _)
 Name:          libboost
-Version:       1.65.1
+Version:       1.66.0
 Release:       1mamba
 Summary:       Free peer-reviewed portable C++ source libraries
 Group:         System/Libraries
@@ -233,6 +233,9 @@ cp stage/lib/libboost_python-mt.* %{buildroot}%{_libdir}/
 %{_libdir}/libboost_python3-mt.so.*
 
 %changelog
+* Sat Jan 06 2018 Automatic Build System <autodist@mambasoft.it> 1.66.0-1mamba
+- automatic version update by autodist
+
 * Thu Sep 21 2017 Automatic Build System <autodist@mambasoft.it> 1.65.1-1mamba
 - automatic version update by autodist