diff --git a/pg_probackup.spec b/pg_probackup.spec
index 839ca0e..fad79c0 100644
--- a/pg_probackup.spec
+++ b/pg_probackup.spec
@@ -14,6 +14,7 @@ Url:            https://postgrespro.ru
 Source0:        http://ftp.postgresql.org/pub/source/v%{pgsql_full}/postgresql-%{pgsql_major}.tar.bz2
 Source1:        pg_probackup-%{version}.tar.bz2
 BuildRequires:  gcc make perl glibc-devel openssl-devel gettext zlib-devel
+BuildRequires:  bison flex
 
 %description
 Backup tool for PostgreSQL.