diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.unmask b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.unmask
new file mode 100644
index 0000000000..2220eaad15
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.unmask
@@ -0,0 +1,2 @@
+# Overwrite outdated portage-stable mask
+=dev-libs/openssl-1.1.1g