diff --git a/scripts/install/rocky.sh b/scripts/install/rocky.sh
index ccc832f9b..e6152c4b7 100644
--- a/scripts/install/rocky.sh
+++ b/scripts/install/rocky.sh
@@ -85,6 +85,8 @@ dnf --enablerepo=powertools install -y libmemcached libmemcached-devel
 dnf --enablerepo=powertools install -y rpcgen
 dnf --enablerepo=powertools install -y oniguruma oniguruma-devel
 
+dnf --enablerepo=powertools install -y re2c bison
+
 cd /www/server/mdserver-web/scripts && bash lib.sh
 chmod 755 /www/server/mdserver-web/data