diff --git a/libpinyin.spec b/libpinyin.spec
index 62081e9..619c059 100644
--- a/libpinyin.spec
+++ b/libpinyin.spec
@@ -25,8 +25,8 @@ for intelligent sentence-based Chinese pinyin input methods.
 %package        devel
 Summary:        Development files for %{name}
 Requires:       %{name} = %{version}-%{release}
-Provides:       libzhuyin-devel = %{version}-%{release}
-Obsoletes:      libzhuyin-devel < %{version}-%{release}
+Provides:       libzhuyin = %{version}-%{release}
+Obsoletes:      libzhuyin < %{version}-%{release}
 
 %description    devel
 The %{name}-devel package contains libraries and header files for