diff --git a/make.conf.backbone b/make.conf.backbone
index 177a959..72ddbbc 100644
--- a/make.conf.backbone
+++ b/make.conf.backbone
@@ -4,6 +4,7 @@ MAKEOPTS="-j1"
 EMERGE_DEFAULT_OPTS="-j2"
 LINGUAS="ru"
 LANGUAGE="ru"
+CCACHE_SIZE="6G"
 VIDEO_CARDS=""
 FETCHCOMMAND="/usr/sbin/gentoo-fetchcommand.sh \"\${URI}\" -O \"\${DISTDIR}/\${FILE}\""
 source /etc/portage/make.overlays