diff --git a/lib/l10n/arb/app_ja.arb b/lib/l10n/arb/app_ja.arb
index d6d5390fb..2509682b8 100644
--- a/lib/l10n/arb/app_ja.arb
+++ b/lib/l10n/arb/app_ja.arb
@@ -1,5 +1,6 @@
 {
   "account": "アカウント",
+  "unlock": "ロック解除",
   "recoveryKey": "回復キー",
   "counterAppBarTitle": "カウンター",
   "@counterAppBarTitle": {