diff --git a/icu.spec b/icu.spec
index ca18f41..24004e5 100644
--- a/icu.spec
+++ b/icu.spec
@@ -10,6 +10,7 @@ URL:       http://site.icu-project.org/
 Source0:   http://download.icu-project.org/files/icu4c/61.1/icu4c-61_1-src.tgz
 Source1:   icu-config.sh
 
+BuildRequires:  gcc
 BuildRequires: doxygen, autoconf, python2
 Requires: lib%{name}%{?_isa} = %{version}-%{release}