diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-base/update_engine/update_engine-0.4.8.ebuild b/sdk_container/src/third_party/coreos-overlay/coreos-base/update_engine/update_engine-0.4.8-r1.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/coreos-base/update_engine/update_engine-0.4.8.ebuild
rename to sdk_container/src/third_party/coreos-overlay/coreos-base/update_engine/update_engine-0.4.8-r1.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-base/update_engine/update_engine-9999.ebuild b/sdk_container/src/third_party/coreos-overlay/coreos-base/update_engine/update_engine-9999.ebuild
index 6c937f72fa..12821d228f 100644
--- a/sdk_container/src/third_party/coreos-overlay/coreos-base/update_engine/update_engine-9999.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/coreos-base/update_engine/update_engine-9999.ebuild
@@ -50,6 +50,9 @@ src_configure() {
 		append-ldflags -no-pie
 	fi
 
+	# Work around new gdbus-codegen output.
+	append-flags -Wno-unused-function
+
 	local myeconfargs=(
 		$(use_enable cros-debug debug)
 		$(use_enable delta_generator)