diff --git a/pangomm.spec b/pangomm.spec
index 6f66891..da786d5 100644
--- a/pangomm.spec
+++ b/pangomm.spec
@@ -2,7 +2,7 @@
 
 Name:           pangomm
 Version:        2.13.7
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        C++ interface for Pango
 
 Group:          System Environment/Libraries
@@ -16,6 +16,8 @@ BuildRequires:  cairomm-devel >= 1.2.2
 BuildRequires:  pango-devel >= 1.21.3
 BuildRequires:  doxygen graphviz
 
+Obsoletes:      gtkmm24 < 2.13.5
+
 
 %description
 pangomm provides a C++ interface to the Pango library. Highlights
@@ -89,6 +91,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Fri Aug 29 2008 Denis Leroy <denis@poolshark.org> - 2.13.7-3
+- Obsoletes older gtkmm to avoid libpangomm conflict 
+
 * Wed Aug 27 2008 Denis Leroy <denis@poolshark.org> - 2.13.7-2
 - Spec review fixes