diff --git a/libnsl2.spec b/libnsl2.spec
index 9e09b55748acdad09a3d0675106c50bbc0fdc091..7eab2f2f09182319482c2a64b1c52f8c1e510225 100644
--- a/libnsl2.spec
+++ b/libnsl2.spec
@@ -1,5 +1,5 @@
 # Uncomment on initial build for soname bump.
-%global bump_soname 1
+%global bump_soname 0
 %global sover 3
 
 %if 0%{?bump_soname}
@@ -9,7 +9,7 @@
 
 Name:       libnsl2
 Version:    2.0.0
-Release:    3
+Release:    4
 Summary:    Public client interface library for NIS(YP) and NIS+
 License:    BSD and LGPLv2+
 URL:        https://github.com/thkukuk/libnsl
@@ -69,6 +69,9 @@ cp -p %{_libdir}/libnsl.so.%{old_sover}* %{buildroot}/%{_libdir}
 %{_prefix}/include/*
 
 %changelog
+* Fri Apr 15 2022 Hugel<gengqihu1@h-partners.com> - 2.0.0-4
+- delete old so files
+
 * Fri Dec 24 2021 fuanan <fuanan3@huawei.com> - 2.0.0-3
 - Delete BuildRequires of the libnsl2 old version