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 eec91ee0ff..262b61bf7e 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="c3c45a040306be554b4292c2d0194700ac3c40b0" # flatcar-master
+	CROS_WORKON_COMMIT="d21808a884736bec7e69db5ddd18e0e21fa6ab9e" # flatcar-master
 	KEYWORDS="amd64 arm64"
 fi