diff --git a/src/routes/admin-plugins.ts b/src/routes/admin-plugins.ts
index 5491f3c..1107d10 100644
--- a/src/routes/admin-plugins.ts
+++ b/src/routes/admin-plugins.ts
@@ -33,10 +33,10 @@ const pluginJsonSchema = {
     source: { type: 'string' as const },
     category: { type: 'string' as const },
     enabled: { type: 'boolean' as const },
-    manifestJson: { type: 'object' as const },
+    manifestJson: { type: 'object' as const, additionalProperties: true },
     dependencies: { type: 'array' as const, items: { type: 'string' as const } },
-    settingsSchema: { type: 'object' as const },
-    settings: { type: 'object' as const },
+    settingsSchema: { type: 'object' as const, additionalProperties: true },
+    settings: { type: 'object' as const, additionalProperties: true },
     installedAt: { type: 'string' as const, format: 'date-time' as const },
     updatedAt: { type: 'string' as const, format: 'date-time' as const },
   },