diff --git a/assets/l10n/intl_ja.arb b/assets/l10n/intl_ja.arb
index 5fd69a061..4aaf74e28 100644
--- a/assets/l10n/intl_ja.arb
+++ b/assets/l10n/intl_ja.arb
@@ -2311,5 +2311,10 @@
   "@zoomOut": {
     "type": "text",
     "placeholders": {}
+  },
+  "zoomIn": "拡大",
+  "@zoomIn": {
+    "type": "text",
+    "placeholders": {}
   }
 }