diff --git a/ocaml-taglib.spec b/ocaml-taglib.spec
index 14bac7a..be3de49 100644
--- a/ocaml-taglib.spec
+++ b/ocaml-taglib.spec
@@ -2,7 +2,7 @@
 
 Name:          ocaml-taglib
 Version:       0.3.1
-Release:       1mamba
+Release:       2mamba
 Summary:       OCaml bindings to taglib
 Group:         Development/Bindings
 Vendor:        openmamba
@@ -14,7 +14,7 @@ License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 ## note: run 'autospec -u -a6 ocaml-taglib' to get the list of build requirements.
 ## AUTOBUILDREQ-END
-BuildRequires: libtag-devel
+BuildRequires: libtag-devel >= 1.9.1
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -73,5 +73,8 @@ make install
 %doc doc/html/
 
 %changelog
+* Tue Dec 29 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 0.3.1-2mamba
+- mass rebuild with libtag 1.9.1
+
 * Sat Jun 29 2013 openmamba WebBuild System <webbuild@openmamba.org> 0.3.1-1mamba
 - package created by davide using the webbuild interface