diff --git a/gen-control-usb-root.sh b/gen-control-usb-root.sh
index 14805c7..8ca841a 100755
--- a/gen-control-usb-root.sh
+++ b/gen-control-usb-root.sh
@@ -8,7 +8,7 @@
 # To update the images/efi.img file for some reason pass a valid flatcar version followed by a 1.
 
 FLATCAR_BASE_URL="https://stable.release.flatcar-linux.net/amd64-usr"
-FLATCAR_VER="${1:-"4459.2.2"}"
+FLATCAR_VER="${1:-"4459.2.3"}"
 GRUB_INST_CMD="grub-install"
 GPG_KEY="-----BEGIN PGP PUBLIC KEY BLOCK-----
 
diff --git a/justfile b/justfile
index db7d265..0eb8a7e 100644
--- a/justfile
+++ b/justfile
@@ -5,7 +5,7 @@ default:
 version_dirty := `[ -z "$(git status -s)" ] || echo "-$(date +"%H%M%S")"`
 version := `git describe --tags --dirty --always` + version_dirty
 
-flatcar_version := "4459.2.2"
+flatcar_version := "4459.2.3"
 
 # Print version that will be used in the build
 version: