diff --git a/scripts/install/rocky.sh b/scripts/install/rocky.sh
index 714041bbf..df20d83cf 100644
--- a/scripts/install/rocky.sh
+++ b/scripts/install/rocky.sh
@@ -79,6 +79,8 @@ yum install -y MySQL-python
 for yumPack in make cmake gcc gcc-c++ gcc-g77 flex bison file libtool libtool-libs autoconf kernel-devel patch wget libjpeg libjpeg-devel libpng libpng-devel libpng10 libpng10-devel gd gd-devel libxml2 libxml2-devel zlib zlib-devel glib2 glib2-devel tar bzip2 bzip2-devel libevent libevent-devel ncurses ncurses-devel curl curl-devel libcurl libcurl-devel e2fsprogs e2fsprogs-devel krb5 krb5-devel libidn libidn-devel vim-minimal gettext gettext-devel ncurses-devel gmp-devel pspell-devel libcap diffutils ca-certificates net-tools libc-client-devel psmisc libXpm-devel git-core c-ares-devel libicu-devel libxslt libxslt-devel zip unzip glibc.i686 libstdc++.so.6 cairo-devel bison-devel ncurses-devel libaio-devel perl perl-devel perl-Data-Dumper lsof crontabs expat-devel readline-devel;
 do yum -y install $yumPack;done
 
+yum install -y libtirpc libtirpc-devel
+
 cd /www/server/mdserver-web/scripts && bash lib.sh
 chmod 755 /www/server/mdserver-web/data