diff --git a/graphviz.spec b/graphviz.spec
index 163339e..96a322b 100644
--- a/graphviz.spec
+++ b/graphviz.spec
@@ -15,7 +15,7 @@
 
 Name:               graphviz
 Version:            2.44.1
-Release:            4
+Release:            5
 Summary:            Graph Visualization Tools
 License:            EPL
 URL:                http://www.graphviz.org/
@@ -27,7 +27,7 @@ BuildRequires:      gcc-g++
 BuildRequires:      ksh bison m4 flex ruby automake perl-Carp autoconf libtool qpdf ocaml urw-base35-fonts, perl-ExtUtils-Embed, perl-generators, librsvg2-devel swig >= 1.3.33
 BuildRequires:      zlib-devel libpng-devel libjpeg-devel expat-devel tk-devel fontconfig-devel libtool-ltdl-devel ruby-devel guile-devel freetype-devel >= 2 tcl-devel >= 8.3
 BuildRequires:      python3-devel libXaw-devel libSM-devel libXext-devel java-devel pango-devel gmp-devel lua-devel gtk2-devel cairo-devel >= 1.1.10
-BuildRequires:      ghostscript libgs-devel gd-devel perl-devel
+BuildRequires:      ghostscript libgs-devel gd-devel perl-devel groff
 
 %if %{with php}
 BuildRequires:      php-devel
@@ -270,6 +270,9 @@ php --no-php-ini --define extension_dir=$RPM_BUILD_ROOT%{_libdir}/graphviz/php/
 
 
 %changelog
+* Mon Aug 30 2021 wangkerong <wangkerong@huawei.com> -2.44.1-5
+- add groff buildrequires resolve obs build failed
+
 * Wed May 26 2021 liuyumeng <liuyumeng5@huawei.com> -2.44.1-4
 - Add a BuildRequires for gcc-g++