diff --git a/cflow.spec b/cflow.spec
index 38eb939..ad2254d 100644
--- a/cflow.spec
+++ b/cflow.spec
@@ -7,6 +7,7 @@ Group:           Development/Languages
 URL:             http://www.gnu.org/software/cflow/
 Source0:         http://ftp.gnu.org/gnu/cflow/cflow-%{version}.tar.bz2
 # to install lisp files
+BuildRequires:  gcc
 BuildRequires:   emacs
 Requires(post):  info
 Requires(preun): info