diff --git a/trousers.spec b/trousers.spec
index 1ecb093c0ce7218d8c3a0179af985af417271bd0..79e6897097836ae1ebeaf2186974d97f171b2bee 100644
--- a/trousers.spec
+++ b/trousers.spec
@@ -1,6 +1,6 @@
 Name:         trousers
 Version:      0.3.15
-Release:      1
+Release:      3
 Summary:      The open-source TCG Software Stack
 License:      BSD
 Url:          http://trousers.sourceforge.net
@@ -16,7 +16,7 @@ Requires(preun):  systemd-units
 Requires(postun): systemd-units
 
 Provides:         trousers-lib
-Obsoletes:        trousers-lib
+Obsoletes:        trousers-lib < %{version}-%{release}
 
 %description
 Trousers is an Trusted Computing Software Stack. By using trousers you
@@ -30,7 +30,7 @@ Summary: Trousers header files, documentation and trousers tCG device driver lib
 Requires: %{name} = %{version}-%{release}
 
 Provides:  trousers-static
-Obsoletes: trousers-static
+Obsoletes: trousers-static < %{version}-%{release}
 
 %description devel
 Includes header files, static library and other development files using trousers.
@@ -95,6 +95,9 @@ exit 0
 
 
 %changelog
+* Thu Aug 01 2024 zhangruifang <zhangruifang@h-partners.com> - 0.3.15-3
+- The corresponding version number nedds to be added to the Obsoletes filed
+
 * Sat Jan 23 2021 panxiaohe <panxiaohe@huawei.com> - 0.3.15-1
 - update to 0.3.15