diff --git a/zopfli.spec b/zopfli.spec
index 3ccd5f8..ea90315 100644
--- a/zopfli.spec
+++ b/zopfli.spec
@@ -10,6 +10,8 @@ Source0:        https://github.com/google/%{name}/archive/%{name}-%{version}.tar
 Patch0:         0001-Honor-user-C-XX-FLAGS.patch
 
 BuildRequires:  gcc
+BuildRequires:  gcc-c++
+
 %description
 Zopfli is a compression algorithm bit-stream compatible with
 compression used in gzip, Zip, PNG, HTTP requests, and others. Zopfli