diff --git a/libunistring.spec b/libunistring.spec
index 590d498..aa20dfd 100644
--- a/libunistring.spec
+++ b/libunistring.spec
@@ -7,6 +7,7 @@ Summary: GNU Unicode string library
 License: GPLV2+ or LGPLv3+
 Url: http://www.gnu.org/software/libunistring/
 Source0: http://ftp.gnu.org/gnu/libunistring/%{name}-%{version}.tar.xz
+BuildRequires: gcc
 Requires(post): info
 Requires(preun): info
 Provides: bundled(gnulib)