diff --git a/hyphen-cy.spec b/hyphen-cy.spec
index 8ba1f90..ec41229 100644
--- a/hyphen-cy.spec
+++ b/hyphen-cy.spec
@@ -1,12 +1,12 @@
 Name:          hyphen-cy
 Summary:       Rules for Welsh hyphenation
 Version:       0.20110620
-Release:       15
+Release:       16
 Source:        http://tug.ctan.org/tex-archive/language/hyph-utf8/tex/generic/hyph-utf8/patterns/tex/hyph-cy.tex
 URL:           http://tug.org/tex-hyphen
 License:       LPPL
 BuildArch:     noarch
-BuildRequires: hyphen-devel
+BuildRequires: hyphen-devel, perl
 Requires:      hyphen
 Supplements:   (hyphen and langpacks-cy)
 
@@ -33,6 +33,9 @@ install -Dp hyph_cy_GB.dic %{buildroot}/%{_datadir}/hyphen/hyph_cy_GB.dic
 %{_datadir}/hyphen/*
 
 %changelog
+* Wed Jun 2 2021 wulei <wulei80@huawei.com> - 0.20110620-16
+- fixes failed: perl: bad interpreter: No such file or directory
+
 * Tue Sep 8 2020 baizhonggui <baizhonggui@huawei.com> - 0.20110620-15
 - Modify Source.