diff --git a/build_library/set_lsb_release b/build_library/set_lsb_release
index 97b278c8e9..5a1e4f62d7 100755
--- a/build_library/set_lsb_release
+++ b/build_library/set_lsb_release
@@ -26,7 +26,7 @@ ROOT_FS_DIR="$FLAGS_root"
 [ -d "$ROOT_FS_DIR" ] || die "Root FS does not exist? ($ROOT_FS_DIR)"
 
 OS_NAME="Flatcar Container Linux by Kinvolk"
-OS_CODENAME="Rhyolite"
+OS_CODENAME="Oklo"
 OS_ID="flatcar"
 OS_ID_LIKE="coreos"
 OS_PRETTY_NAME="$OS_NAME $FLATCAR_VERSION (${OS_CODENAME})"