diff --git a/hyphen-mn.spec b/hyphen-mn.spec
index 084b9f5..f372dae 100644
--- a/hyphen-mn.spec
+++ b/hyphen-mn.spec
@@ -1,12 +1,12 @@
 Name:          hyphen-mn
 Version:       0.20100531
-Release:       16
+Release:       17
 Summary:       Hyphenation patterns for Mongolian
 License:       LPPL
 URL:           http://ctan.org/pkg/mnhyphn
 Source:	       http://mirror.ctan.org/language/hyph-utf8/tex/generic/hyph-utf8/patterns/tex/hyph-mn-cyrl.tex
 Patch0000:     hyphen-mn-cleantex.patch
-BuildRequires: hyphen-devel
+BuildRequires: hyphen-devel, perl
 Requires:      hyphen
 BuildArch:     noarch
 
@@ -36,6 +36,9 @@ install -Dp hyph_mn_MN.dic $RPM_BUILD_ROOT/%{_datadir}/hyphen
 %{_datadir}/hyphen/*
 
 %changelog
+* Wed Jun 2 2021 wulei <wulei80@huawei.com> - 0.20100531-17
+- fixes failed: perl: bad interpreter: No such file or diretory
+
 * Wed Sep 9 2020 baizhonggui <baizhonggui@huawei.com> - 0.20100531-16
 Modify source and replace package