diff --git a/qt5-qtbase.spec b/qt5-qtbase.spec
index ddf175a..3908011 100644
--- a/qt5-qtbase.spec
+++ b/qt5-qtbase.spec
@@ -262,6 +262,8 @@ Requires: %{name} = %{version}-%{release}
 BuildRequires: qt5-doctools
 ## noarch build currently FTBFS, see https://bugzilla.redhat.com/1437522
 #BuildArch: noarch
+## when made arch'd
+Obsoletes: qt5-qtbase-doc < 5.8.0-8
 %description doc
 %{summary}.
 %endif