diff --git a/sdk_container/src/third_party/coreos-overlay/changelog/bugfixes/2023-03-20-ignition-oem-partition.md b/sdk_container/src/third_party/coreos-overlay/changelog/bugfixes/2023-03-20-ignition-oem-partition.md
new file mode 100644
index 0000000000..e6cf04392d
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/changelog/bugfixes/2023-03-20-ignition-oem-partition.md
@@ -0,0 +1 @@
+- Restored the support to specify OEM partition files in Ignition when `/usr/share/oem` is given as initrd mount point ([bootengine#58](https://github.com/flatcar/bootengine/pull/58))
diff --git a/sdk_container/src/third_party/coreos-overlay/changelog/changes/2023-03-20-ignition-oem-files.md b/sdk_container/src/third_party/coreos-overlay/changelog/changes/2023-03-20-ignition-oem-files.md
new file mode 100644
index 0000000000..7d6471b475
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/changelog/changes/2023-03-20-ignition-oem-files.md
@@ -0,0 +1 @@
+- Specifying the OEM filesystem in Ignition to write files to `/usr/share/oem` is not needed anymore ([bootengine#58](https://github.com/flatcar/bootengine/pull/58))
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/bootengine/bootengine-9999.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/bootengine/bootengine-9999.ebuild
index 3657e78fa2..1974927e4f 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/bootengine/bootengine-9999.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/sys-kernel/bootengine/bootengine-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="aa8a19eb8e555d75535632600a353ea4cb5576eb" # flatcar-master
+	CROS_WORKON_COMMIT="16c5636cbfa078c6317a908354c9b0f1e101c7a3" # flatcar-3510-backport
 	KEYWORDS="amd64 arm arm64 x86"
 fi