diff --git a/src/i18n/strings/zh_Hant.json b/src/i18n/strings/zh_Hant.json
index 327b06cff1..536628c3b1 100644
--- a/src/i18n/strings/zh_Hant.json
+++ b/src/i18n/strings/zh_Hant.json
@@ -1256,5 +1256,13 @@
     "Lazy loading is not supported by your current homeserver.": "您目前的家伺服器不支援延遲載入。",
     "Sorry, your homeserver is too old to participate in this room.": "抱歉，您的家伺服器太舊了，所以無法參與此聊天室。",
     "Please contact your homeserver administrator.": "請聯絡您的家伺服器的管理員。",
-    "Legal": "法律"
+    "Legal": "法律",
+    "This room has been replaced and is no longer active.": "此已被取代的聊天室已不再活躍。",
+    "The conversation continues here.": "對話在此繼續。",
+    "Upgrade room to version %(ver)s": "將聊天室升級為版本 %(ver)s",
+    "This room is a continuation of another conversation.": "此聊天室是另一個對話的延續。",
+    "Click here to see older messages.": "點選這裡以檢視較舊的訊息。",
+    "Failed to upgrade room": "升級聊天室失敗",
+    "The room upgrade could not be completed": "聊天室升級可能不完整",
+    "Upgrade this room to version %(version)s": "升級此聊天室到版本 %(version)s"
 }