diff --git a/gentoo-base.Dockerfile b/gentoo-base.Dockerfile
index a96e529..e0a7907 100644
--- a/gentoo-base.Dockerfile
+++ b/gentoo-base.Dockerfile
@@ -19,7 +19,7 @@ RUN quickpkg --include-config=y @world sys-libs/glibc
 RUN emerge --root=/workdir --buildpkg=y --usepkg --quiet sys-apps/portage
 # Needed for locale generation.
 RUN emerge --root=/workdir --buildpkg=y --usepkg --quiet \
-    sys-apps/grep sys-apps/gawk app-arch/gzip
+    sys-apps/grep sys-apps/gawk app-arch/gzip sys-devel/gcc
 RUN cp /etc/portage/make.conf /workdir/etc/portage/make.conf
 RUN rm -r /workdir/usr/lib/python*/{unit,}test