diff --git a/mdds.spec b/mdds.spec
index 9c80672..2b1f764 100644
--- a/mdds.spec
+++ b/mdds.spec
@@ -13,6 +13,7 @@ URL: https://gitlab.com/mdds/mdds
 Source0: http://kohei.us/files/%{name}/src/%{name}-%{version}.tar.bz2
 
 BuildRequires: boost-devel
+BuildRequires: gcc-c++
 
 %description
 %{name} is a collection of multi-dimensional data structures and