diff --git a/python-egenix-mx-base.spec b/python-egenix-mx-base.spec
index 73563c5..d7f4ce7 100644
--- a/python-egenix-mx-base.spec
+++ b/python-egenix-mx-base.spec
@@ -1,7 +1,7 @@
 Summary:  A collection of Python software tools
 Name: python-egenix-mx-base
 Version: 3.2.5
-Release: 3%{?dist}
+Release: 4%{?dist}
 URL: http://www.egenix.com/products/python/mxBase/
 Source0: http://downloads.egenix.com/python/egenix-mx-base-%{version}.tar.gz
 License: eGenix
@@ -11,7 +11,7 @@ BuildRequires: python2-devel >= 2.7
 
 # For name change from mx to python-mx
 Provides: mx = %{version}-%{release}
-Obsoletes: mx < %{version}-%{release}
+Obsoletes: mx < 3.2.3-4
 
 # Install to platform lib directory
 Patch1: mx-3.1.1-lib64.patch
@@ -31,7 +31,7 @@ Summary: Development files for %{name}
 Group: Development/Libraries
 Requires: %{name}%{?_isa} = %{version}-%{release}
 Provides: mx-devel = %{version}-%{release}
-Obsoletes: mx-devel < 3.2.3-2
+Obsoletes: mx-devel < 3.2.3-4
 
 %description devel
 Development files for %{name}
@@ -115,6 +115,9 @@ find %{buildroot}%{python_sitearch}/mx/ -name \*.so -exec chmod 755 {} \;
 %doc docs/*
 
 %changelog
+* Tue Sep 10 2013 Michael Schwendt <mschwendt@fedoraproject.org> - 3.2.5-4
+- correct obs_ver for both mx and mx-devel
+
 * Sun Aug 04 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 3.2.5-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild