diff --git a/uniconvertor.spec b/uniconvertor.spec
index 4a97dcb..64ef63e 100644
--- a/uniconvertor.spec
+++ b/uniconvertor.spec
@@ -13,6 +13,7 @@ URL:            https://sk1project.net/modules.php?name=Products&product=uniconv
 Source1:        %{name}.get.tarball.svn
 Source0:        %{name}-%{version}svn%{SVN}.tar.xz
 
+BuildRequires:  gcc
 BuildRequires:  python2-devel, python2-cairo-devel, python2-pillow-devel, lcms2-devel
 BuildRequires:  potrace-devel
 # For a public domain sRGB.icm