diff --git a/socat-1.7.3.2.tar.gz b/socat-1.7.3.2.tar.gz
deleted file mode 100644
index a626e77..0000000
Binary files a/socat-1.7.3.2.tar.gz and /dev/null differ
diff --git a/socat-1.7.4.3.tar.gz b/socat-1.7.4.3.tar.gz
new file mode 100644
index 0000000..abc5842
Binary files /dev/null and b/socat-1.7.4.3.tar.gz differ
diff --git a/socat.spec b/socat.spec
index e8b142f..62bfee1 100644
--- a/socat.spec
+++ b/socat.spec
@@ -2,8 +2,8 @@
 
 Summary:     Multipurpose relay
 Name:        socat
-Version:     1.7.3.2
-Release:     8
+Version:     1.7.4.3
+Release:     1
 License:     GPLv2
 Url:         http://www.dest-unreach.org/socat/
 Source:      http://www.dest-unreach.org/socat/download/%{name}-%{version}.tar.gz
@@ -60,5 +60,8 @@ cp -a *.sh %{buildroot}/%{_docdir}/socat/
 %doc %{_mandir}/man1/socat.1*
 
 %changelog
+* Thu Jul 28 2022 fushanqing <fushanqing@kylinos.cn> - 1.7.4.3-1
+- update to 1.7.4.3
+
 * Tue Nov 19 2019 mengxian <mengxian@huawei.com> - 1.7.3.2-8
 - Package init
\ No newline at end of file