diff --git a/lib/Framework/Router.php b/lib/Framework/Router.php
index a1a1a67..ecf550b 100644
--- a/lib/Framework/Router.php
+++ b/lib/Framework/Router.php
@@ -40,7 +40,7 @@ class Router
 
             if ($response instanceof Response) {
                 $response->headers->add([
-                    "Content-Security-Policy" => "default-src 'none'; font-src 'self'; style-src 'self'; script-src 'self'; img-src 'self'; frame-ancestors 'none'; require-trusted-types-for 'script'; base-uri 'none'; ",
+                    "Content-Security-Policy" => "default-src 'none'; font-src 'self'; style-src 'self'; script-src 'self'; img-src 'self'; form-action 'none'; frame-ancestors 'none'; require-trusted-types-for 'script'; base-uri 'none'; ",
                     "Referrer-Policy" => "same-origin"
 
                 ]);