diff --git a/web/src/manifest.json b/web/src/manifest.json
index 3cc3a4b441..ccdb8cfc89 100644
--- a/web/src/manifest.json
+++ b/web/src/manifest.json
@@ -11,6 +11,7 @@
     "locales": {
         "en-us": "English",
         "es-es": "Español",
+        "ja-jp": "日本語",
         "nl-nl": "Nederlands",
         "sv-se": "Svenska"
     }