diff --git a/texlive.spec b/texlive.spec
index c69f985..c59c75c 100644
--- a/texlive.spec
+++ b/texlive.spec
@@ -304,6 +304,7 @@ Requires: texlive = %{version}
 Requires: texlive-latex = %{version}
 Requires: texlive-texmf-dvips = %{version}
 Requires: texlive-texmf-errata-east-asian = %{version}
+Obsoletes: texlive-japanese < 2007-20
 Provides: texlive-japanese = %{version}-%{release}
 Provides: tex(japanese)
 Provides: tex(east-asian)