--- a/plugins/thirdparty/gritter/package.json
+++ b/plugins/thirdparty/gritter/package.json
@@ -1,6 +1,13 @@
 {
     "version": "1.6.0",
     "dependencies": {
-        "jquery": "1.4.2"
-    }
+        "jquery": "1.4.2",
+        "theme_manager_base": "0.0.0"
+    },
+    "provides": [
+        {
+            "ep": "themestyles",
+            "url": ["jquery.gritter.less"]
+        }
+    ]
 }

rename from plugins/thirdparty/gritter/resources/jquery.gritter.css
rename to plugins/thirdparty/gritter/resources/jquery.gritter.less