diff --git a/keyutils-1.5.10.tar.bz2 b/keyutils-1.5.10.tar.bz2
new file mode 100644
index 0000000..e2f0c20
Binary files /dev/null and b/keyutils-1.5.10.tar.bz2 differ
diff --git a/keyutils-1.6.1.tar.bz2 b/keyutils-1.6.1.tar.bz2
deleted file mode 100644
index 3deced4..0000000
Binary files a/keyutils-1.6.1.tar.bz2 and /dev/null differ
diff --git a/keyutils.spec b/keyutils.spec
index 83b901a..fea208a 100644
--- a/keyutils.spec
+++ b/keyutils.spec
@@ -1,6 +1,6 @@
 Name:    keyutils
-Version: 1.6.1
-Release: 1
+Version: 1.5.10
+Release: 11
 Summary: Utilities of Linux Key Management
 License: GPLv2+ and LGPLv2+
 
@@ -11,7 +11,6 @@ Patch9000: bugfix-fix-argv-string-out-of-bounds.patch
 
 BuildRequires: gcc gdb
 BuildRequires: glibc-kernheaders >= 2.4-9.1.92
-Requires: %{name}-libs = %{version}-%{release}
 
 %description
 The keyutils contains the kernel key management facility and provides the
@@ -90,15 +89,11 @@ make \
 %files libs-devel
 %{_libdir}/libkeyutils.so
 %{_includedir}/*
-%{_libdir}/pkgconfig/libkeyutils.pc
 
 %files help
 %{_mandir}/man*/*
 
 %changelog
-* Thu Apr 16 2020 openEuler Buildteam <buildteam@openeuler.org> - 1.6.1-1
-- update to 1.6.1
-
 * Sat Mar 14 2020 openEuler Buildteam <buildteam@openeuler.org> - 1.5.10-11
 - Add build requires of gdb