diff --git a/config/locales/backend/backend.ja.yml b/config/locales/backend/backend.ja.yml
index 00051dd8..f832144f 100644
--- a/config/locales/backend/backend.ja.yml
+++ b/config/locales/backend/backend.ja.yml
@@ -71,6 +71,8 @@ ja:
         other: 'Posts'
       user:
         other: 'Users'
+      webhook:
+        other: 'Webhooks'
     attributes:
       board:
         name: 'Name'
@@ -147,6 +149,15 @@ ja:
         role: 'Role'
         notifications_enabled: 'Notifications enabled'
         recap_notification_frequency: 'Recap notification frequency'
+      webhook:
+        name: 'Name'
+        description: 'Description'
+        is_enabled: 'Enabled'
+        trigger: 'Trigger'
+        url: 'URL'
+        http_body: 'HTTP request body'
+        http_method: 'HTTP method'
+        http_headers: 'HTTP request headers'
     errors:
       messages:
         invalid: 'is invalid'