diff --git a/tzdata.spec b/tzdata.spec
index 3d0aa12..dda31c7 100644
--- a/tzdata.spec
+++ b/tzdata.spec
@@ -9,7 +9,7 @@
 %endif
 
 Name:          tzdata
-Version:       2015a
+Version:       2015b
 Release:       1mamba
 Summary:       timezone data
 Group:         System/Internationalization
@@ -118,6 +118,9 @@ cp -pr zoneinfo/java %{buildroot}%{_datadir}/javazi
 %endif
 
 %changelog
+* Fri Mar 27 2015 Automatic Build System <autodist@mambasoft.it> 2015b-1mamba
+- automatic version update by autodist
+
 * Thu Feb 05 2015 Automatic Build System <autodist@mambasoft.it> 2015a-1mamba
 - automatic version update by autodist