diff --git a/sdk_container/src/third_party/coreos-overlay/changelog/changes/2021-12-02-flatcar-update.md b/sdk_container/src/third_party/coreos-overlay/changelog/changes/2021-12-02-flatcar-update.md
new file mode 100644
index 0000000000..f33d4e7019
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/changelog/changes/2021-12-02-flatcar-update.md
@@ -0,0 +1 @@
+- Added a new flatcar-update tool to the image to ease manual updates, rollbacks, channel/release jumping, and airgapped updates ([PR#53](https://github.com/flatcar-linux/init/pull/53))
diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-base/coreos-init/coreos-init-9999.ebuild b/sdk_container/src/third_party/coreos-overlay/coreos-base/coreos-init/coreos-init-9999.ebuild
index 5302143335..e9419b49a5 100644
--- a/sdk_container/src/third_party/coreos-overlay/coreos-base/coreos-init/coreos-init-9999.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/coreos-base/coreos-init/coreos-init-9999.ebuild
@@ -10,7 +10,7 @@ CROS_WORKON_REPO="https://github.com"
 if [[ "${PV}" == 9999 ]]; then
 	KEYWORDS="~amd64 ~arm ~arm64 ~x86"
 else
-	CROS_WORKON_COMMIT="a3aec0e8daa5ce7b6221356710c3463eff238c4b" # flatcar-master
+	CROS_WORKON_COMMIT="58360ed0da957c2cd0ae9eeab645735d814f565c" # flatcar-master
 	KEYWORDS="amd64 arm arm64 x86"
 fi