diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-base/update_engine/update_engine-0.4.8-r1.ebuild b/sdk_container/src/third_party/coreos-overlay/coreos-base/update_engine/update_engine-0.4.9.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/coreos-base/update_engine/update_engine-0.4.8-r1.ebuild
rename to sdk_container/src/third_party/coreos-overlay/coreos-base/update_engine/update_engine-0.4.9.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 12821d228f..e42e1cd1a1 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
@@ -9,7 +9,7 @@ AUTOTOOLS_AUTORECONF=1
 if [[ "${PV}" == 9999 ]]; then
 	KEYWORDS="~amd64 ~arm ~arm64 ~x86"
 else
-	CROS_WORKON_COMMIT="3f1a7e45eb9e2f9b6a74ba03fe2aab5b37106902" # v0.4.8
+	CROS_WORKON_COMMIT="47dfb956377b748d2c5ab0a0e49218b79b29c2bf" # v0.4.9
 	KEYWORDS="amd64 arm64"
 fi