diff --git a/firebase.json b/firebase.json
index a570099..a205de6 100644
--- a/firebase.json
+++ b/firebase.json
@@ -1,5 +1,14 @@
 {
   "hosting": {
+    "headers": [{
+      "source": "**",
+      "headers": [
+        {
+          "key": "Content-Security-Policy",
+          "value": "script-src 'self'; object-src 'none'; base-uri 'none'"
+        }
+      ]
+    }],
     "public": "public",
     "rewrites": [{
       "source": "**",