diff --git a/sdk_container/src/third_party/coreos-overlay/app-emulation/rkt/rkt-0.5.4.ebuild b/sdk_container/src/third_party/coreos-overlay/app-emulation/rkt/rkt-0.5.5.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/app-emulation/rkt/rkt-0.5.4.ebuild
rename to sdk_container/src/third_party/coreos-overlay/app-emulation/rkt/rkt-0.5.5.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 0a6d750285..519396628f 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
@@ -10,7 +10,7 @@ inherit cros-workon systemd
 if [[ "${PV}" == 9999 ]]; then
     KEYWORDS="~amd64"
 else
-    CROS_WORKON_COMMIT="c8a7050a883653266137ae05f6e8f166db52eb67" # v0.5.4
+    CROS_WORKON_COMMIT="40ced98c320c056e343fe9c3eaeb90a4ff248936" # v0.5.5
     KEYWORDS="amd64"
 fi