diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use
index c1b65bac7e..abfbf871aa 100644
--- a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use
@@ -22,6 +22,7 @@ app-emulation/qemu	aio caps curl jpeg ncurses png python threads uuid vhost-net
 app-portage/gentoolkit -python_targets_python3_6
 app-portage/gentoolkit-dev -python_targets_python3_6
 app-portage/repoman -python_targets_python3_6
+dev-python/pyblake2 -python_targets_python3_6
 dev-python/uritemplate -python_targets_python3_6
 sys-apps/portage -python_targets_python3_6