diff --git a/libestr.spec b/libestr.spec
index 025990a..0dc9889 100644
--- a/libestr.spec
+++ b/libestr.spec
@@ -7,6 +7,7 @@ License:        LGPLv2+
 URL:            http://libestr.adiscon.com/
 Source0:        http://libestr.adiscon.com/files/download/libestr-%{version}.tar.gz
 
+BuildRequires:  gcc
 %description
 This package compiles the string handling essentials library
 used by the Rsyslog daemon.