diff --git a/xml-commons-apis.spec b/xml-commons-apis.spec
index 170402c..8f615c3 100644
--- a/xml-commons-apis.spec
+++ b/xml-commons-apis.spec
@@ -45,6 +45,7 @@ Provides:       xml-commons-jaxp-1.2-apis = %{version}-%{release}
 Provides:       xml-commons-jaxp-1.1-apis = %{version}-%{release}
 Provides:       xerces-j2-xml-apis = %{version}-%{release}
 Provides:       xml-apis = %{version}-%{release}
+Conflicts:      xml-commons-apis-bootstrap
 BuildArch:      noarch
 
 %description