diff --git a/pcre.spec b/pcre.spec
index 20dfd65..29022bc 100644
--- a/pcre.spec
+++ b/pcre.spec
@@ -1,6 +1,6 @@
 Name:		pcre
 Version:	8.43
-Release:        3
+Release:        4
 Summary:	Perl Compatible Regular Expressions
 ## Source package only:
 # INSTALL:                  FSFAP
@@ -30,14 +30,10 @@ Patch0:     	pcre-8.41-fix_stack_estimator.patch
 BuildRequires:	readline-devel autoconf automake coreutils	
 BuildRequires:	gcc git gcc-c++ glibc-common libtool make
 BuildRequires:	bash diffutils grep
-Provides:	%{name}-utf16 = %{version}-%{release}
-Provides:       %{name}-utf32 = %{version}-%{release}
-Provides:       %{name}-cpp = %{version}-%{release}
-Provides:       %{name}-tools = %{version}-%{release}
-Obsoletes:	%{name}-utf16 <= %{version}-%{release}
-Obsoletes:      %{name}-utf32 <= %{version}-%{release}
-Obsoletes:      %{name}-cpp <= %{version}-%{release}
-Obsoletes:      %{name}-tools <= %{version}-%{release}
+Provides:	%{name}-utf16 = %{version}-%{release} %{name}-utf32 = %{version}-%{release}
+Provides:       %{name}-cpp = %{version}-%{release} %{name}-tools = %{version}-%{release}
+Obsoletes:	%{name}-utf16 < %{version}-%{release} %{name}-utf32 < %{version}-%{release}
+Obsoletes:      %{name}-cpp < %{version}-%{release} %{name}-tools < %{version}-%{release}
 
 %description
 The PCRE library is a set of functions that implement regular expression
@@ -57,7 +53,7 @@ include Chicken, Ferite, Onyx, Hypermail, Leafnode, Askemos, Wenlin, and
 Summary:        Development files for %{name}
 Requires:       %{name} = %{version}-%{release}
 Provides:       %{name}-static = %{version}-%{release}
-Obsoletes:      %{name}-static <= %{version}-%{release}
+Obsoletes:      %{name}-static < %{version}-%{release}
 
 %description    devel
 The %{name}-devel package contains libraries and header files for
@@ -113,6 +109,12 @@ make check VERBOSE=yes
 %{_mandir}/man3/*
 
 %changelog
+* Mon Nov 11 2019 shenyangyang <shenyangyang4@huawei.com> - 8.43-4
+- Type: enhancement
+- ID: NA
+- SUG: NA
+- DESC:modify obsoletes version
+
 * Wed Oct 10 2019 luhuaxin <luhuaxin@huawei.com> - 8.43-3
 - Type: enhancement
 - ID: NA