diff --git a/xml-commons-resolver.spec b/xml-commons-resolver.spec
index fd71847..61287f1 100644
--- a/xml-commons-resolver.spec
+++ b/xml-commons-resolver.spec
@@ -46,6 +46,7 @@ Provides:       %{name}11 = %{version}-%{release}
 Provides:       %{name}12 = %{version}-%{release}
 Provides:       xerces-j2-xml-resolver = %{version}-%{release}
 Provides:       xml-resolver = %{version}-%{release}
+Conflicts:      xml-commons-resolver-bootstrap
 BuildArch:      noarch
 
 %description