diff --git a/kakasi.spec b/kakasi.spec
index 89a63da..363bec5 100644
--- a/kakasi.spec
+++ b/kakasi.spec
@@ -28,6 +28,7 @@ The kakasi-libs package contains the library file for KAKASI
 Summary:	Files for development of applications which will use KAKASI
 Group:		Development/Libraries
 Requires:	%{name}-libs%{?_isa} = %{version}-%{release}
+Conflicts:	%{name} < 2.3.6
 
 %description devel
 The kakasi-devel package contains the header file and library for
@@ -77,6 +78,7 @@ iconv -f euc-jp -t utf-8 man/kakasi.1.ja > man/kakasi.1.ja.utf8 && touch -r man/
 %lang(ja) %doc README-ja
 %dir %{_datadir}/kakasi
 %{_bindir}/*
+%exclude %{_bindir}/kakasi-config
 %{_mandir}/man1/kakasi.1.gz
 %{_mandir}/ja/man1/kakasi.1.gz
 %{_datadir}/kakasi/itaijidict
@@ -87,7 +89,9 @@ iconv -f euc-jp -t utf-8 man/kakasi.1.ja > man/kakasi.1.ja.utf8 && touch -r man/
 
 %files devel
 %doc COPYING
+%{_bindir}/kakasi-config
 %{_libdir}/libkakasi.so
+%{_mandir}/man1/kakasi-config.1.gz
 %{_includedir}/libkakasi.h
 
 %files dict