diff --git a/dos2unix.spec b/dos2unix.spec
index 6e008a0..d6229cc 100644
--- a/dos2unix.spec
+++ b/dos2unix.spec
@@ -1,12 +1,12 @@
 Name: dos2unix
 Version: 7.4.2
-Release: 3
+Release: 4
 Summary: Text file format converters
 License: BSD
 URL: http://waterlan.home.xs4all.nl/dos2unix.html
 Source0: http://waterlan.home.xs4all.nl/dos2unix/%{name}-%{version}.tar.gz
 
-BuildRequires: gcc gettext perl-Test-Harness perl-Test-Simple perl
+BuildRequires: gcc gettext perl-Test-Harness perl-Test-Simple
 Provides: unix2dos = %{version}
 Obsoletes: unix2dos < %{version}
 
@@ -41,6 +41,13 @@ make check
 %{_mandir}/man1/*.1.gz
 
 %changelog
+* Wed Jan 12 2022 yangzhuangzhuang <yangzhuangzhuang1@huawei.com> - 7.4.2-4
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:delete buildrequires perl,
+       because the compilation dependency has been added to the basic project
+
 * Wed Jan 5 2022 yangzhuangzhuang <yangzhuangzhuang1@huawei.com> - 7.4.2-3
 - Type:bugfix
 - ID:NA