diff --git a/config/.gitignore b/config/.gitignore
index f9f793cdc..40fc5c347 100644
--- a/config/.gitignore
+++ b/config/.gitignore
@@ -1,2 +1,5 @@
 cc_api_config.php
 cc_shibboleth_config.php
+
+# Option Plugins 用設定ファイル
+option/