diff --git a/sdk_container/src/third_party/coreos-overlay/app-emulation/rkt/rkt-1.1.0.ebuild b/sdk_container/src/third_party/coreos-overlay/app-emulation/rkt/rkt-1.2.1.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/app-emulation/rkt/rkt-1.1.0.ebuild
rename to sdk_container/src/third_party/coreos-overlay/app-emulation/rkt/rkt-1.2.1.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/app-emulation/rkt/rkt-9999.ebuild b/sdk_container/src/third_party/coreos-overlay/app-emulation/rkt/rkt-9999.ebuild
index 851a300354..950c65c5fd 100644
--- a/sdk_container/src/third_party/coreos-overlay/app-emulation/rkt/rkt-9999.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/app-emulation/rkt/rkt-9999.ebuild
@@ -18,7 +18,7 @@ if [[ "${PV}" == "9999" ]]; then
 	KEYWORDS="~amd64"
 else
 	KEYWORDS="amd64"
-	CROS_WORKON_COMMIT="60b27260988d7738b6e2e8b6295bb8fddf6b0750" # v1.1.0
+	CROS_WORKON_COMMIT="585b6ef69c008ac7af449b94964007e4c217bd04" # v1.2.1
 fi
 
 PXE_VERSION="794.1.0"