diff --git a/.nkf.metadata b/.nkf.metadata
new file mode 100644
index 0000000..4122e44
--- /dev/null
+++ b/.nkf.metadata
@@ -0,0 +1 @@
+9e981cde5c6a72961af706fd70821fe547039bd3 nkf-2.1.4.tar.gz
diff --git a/dead.package b/dead.package
new file mode 100644
index 0000000..48dbc9b
--- /dev/null
+++ b/dead.package
@@ -0,0 +1 @@
+nkf package is retired on c9s for CS-296