diff --git a/mod_auth_cas.spec b/mod_auth_cas.spec
index 3940eca..f97502d 100644
--- a/mod_auth_cas.spec
+++ b/mod_auth_cas.spec
@@ -18,7 +18,7 @@ Source0:        https://github.com/Jasig/%{name}/archive/v%{version}.tar.gz
 Source1:        auth_cas_mod.conf
 Source2:        auth_cas_httpd.conf
 
-
+BuildRequires:  gcc
 BuildRequires:  openssl-devel
 BuildRequires:  httpd-devel
 BuildRequires:  m4, readline-devel, autoconf, automake