diff --git a/system.json b/system.json
index 59c30ff1..fa90a028 100644
--- a/system.json
+++ b/system.json
@@ -40,6 +40,19 @@
       "flags": {}
     }
   ],
+  "flags": {
+    "hotReload": {
+      "extensions": [
+        "css",
+        "hbs",
+        "html"
+      ],
+      "paths": [
+        "styles/",
+        "templates/"
+      ]
+    }
+  },
   "url": "https://www.uberwald.me/gitea/public/foundryvtt-reve-de-dragon/",
   "license": "LICENSE.txt",
   "esmodules": [