diff --git a/firebase.json b/firebase.json
index b84c856..9d4f62e 100644
--- a/firebase.json
+++ b/firebase.json
@@ -7,7 +7,7 @@
         "headers": [
           {
             "key": "Content-Security-Policy",
-            "value": "upgrade-insecure-requests; block-all-mixed-content; form-action 'none'; frame-ancestors 'self'"
+            "value": "block-all-mixed-content; form-action 'none'; frame-ancestors 'self'"
           },
           {
             "key": "X-Content-Type-Options",
@@ -54,4 +54,4 @@
       "**/node_modules/**"
     ]
   }
-}
\ No newline at end of file
+}