diff --git a/res-common/values-ja/strings.xml b/res-common/values-ja/strings.xml
index 392d64b..2ecb249 100644
--- a/res-common/values-ja/strings.xml
+++ b/res-common/values-ja/strings.xml
@@ -239,4 +239,6 @@
     <string name="menu_import_export" msgid="6446229463809981669">"インポート/エクスポート"</string>
     <string name="description_send_message" msgid="2630211225573754774">"<xliff:g id="NAME">%1$s</xliff:g>さんにメッセージを送信"</string>
     <string name="description_dial_phone_number" msgid="7315580540586351853">"<xliff:g id="NAME">%1$s</xliff:g>さんの電話"</string>
+    <string name="contact_status_update_attribution" msgid="8419168578670128134">"更新元: <xliff:g id="SOURCE">%1$s</xliff:g>"</string>
+    <string name="contact_status_update_attribution_with_date" msgid="7492465535645607473">"<xliff:g id="DATE">%1$s</xliff:g>、更新元: <xliff:g id="SOURCE">%2$s</xliff:g>"</string>
 </resources>