diff --git a/wethepeople.pl b/wethepeople.pl
index 143bc02..e735d87 100755
--- a/wethepeople.pl
+++ b/wethepeople.pl
@@ -13,6 +13,10 @@ get '/' => sub {
     else {
         $c->redirect_to("$scheme://www.wethepeople.win")
     }
+
+    # Opt out of Google FLoC
+    # https://paramdeo.com/blog/opting-your-website-out-of-googles-floc-network
+    $c->res->headers->header('Permissions-Policy', 'interest-cohort=()');
 } => 'index';
 
 app->start();