diff --git a/changelog/changes/2025-10-13-custom-release-server.md b/changelog/changes/2025-10-13-custom-release-server.md
new file mode 100644
index 0000000000..0931571fc9
--- /dev/null
+++ b/changelog/changes/2025-10-13-custom-release-server.md
@@ -0,0 +1 @@
+- Added support for the kernel cmdline parameters `flatcar.release_file_server_url` and `flatcar.dev_file_server_url` to specify custom servers where Flatcar extensions should be downloaded on boot ([bootengine#112](https://github.com/flatcar/bootengine/pull/112))
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 387e4f493e..27e07d95e4 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
@@ -7,7 +7,7 @@ EGIT_REPO_URI="https://github.com/flatcar/bootengine.git"
 if [[ "${PV}" == 9999 ]]; then
 	KEYWORDS="~amd64 ~arm ~arm64 ~x86"
 else
-	EGIT_COMMIT="0b9d52e647289fe7793839265617afc5178d5f00" # flatcar-master
+	EGIT_COMMIT="45d64bd450be710983b192d8ed795f5376c5f33f" # flatcar-master
 	KEYWORDS="amd64 arm arm64 x86"
 fi