diff --git a/mariadb10.11.spec b/mariadb10.11.spec
index 4ecbfce..10d18d8 100644
--- a/mariadb10.11.spec
+++ b/mariadb10.11.spec
@@ -254,7 +254,8 @@ BuildRequires:    ncurses-devel
 # debugging stuff
 BuildRequires:    systemtap-sdt-devel
 # Bison SQL parser; needed also for wsrep API
-BuildRequires:    bison bison-devel
+BuildRequires:    bison >= 2.4
+BuildRequires:    bison-devel >= 2.4
 
 %{?with_debug:BuildRequires:    valgrind-devel}
 
@@ -538,7 +539,8 @@ MariaDB is a community developed fork from MySQL.
 Summary:          The Open Query GRAPH engine for MariaDB
 Requires:         %{pkgname}-server%{?_isa} = %{sameevr}
 # boost and Judy required for oograph
-BuildRequires:    boost-devel Judy-devel
+BuildRequires:    boost-devel >= 1.40.0
+BuildRequires:    Judy-devel
 
 %virtual_conflicts_and_provides oqgraph-engine