diff --git a/libkolabxml.spec b/libkolabxml.spec
index 92d81dc..38c557b 100644
--- a/libkolabxml.spec
+++ b/libkolabxml.spec
@@ -1,6 +1,6 @@
 Name:          libkolabxml
 Version:       1.1.6
-Release:       1mamba
+Release:       2mamba
 Summary:       The reference implementation of the Kolab XML Format
 Group:         System/Libraries
 Vendor:        openmamba
@@ -19,6 +19,7 @@ BuildRequires: libxerces-c-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 BuildRequires: xsd-devel
+BuildRequires: libboost-devel >= 1.69.0-2mamba
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -71,12 +72,12 @@ This package contains libraries and header files for developing applications tha
 %doc README README-Mac.txt
 
 %changelog
+* Tue Feb 12 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.1.6-2mamba
+- rebuilt with libboost 1.69.0-2mamba
+
 * Sun Sep 11 2016 Automatic Build System <autodist@mambasoft.it> 1.1.6-1mamba
 - automatic version update by autodist
 
-* Sun Jul 31 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 1.1.4-2mamba
-- ... add a changelog entry
-
 * Sun Jul 31 2016 Automatic Build System <autodist@mambasoft.it> 1.1.4-1mamba
 - automatic version update by autodist