diff --git a/nginx/snippets/security-headers.conf b/nginx/snippets/security-headers.conf
index d240d856b..2465f3590 100644
--- a/nginx/snippets/security-headers.conf
+++ b/nginx/snippets/security-headers.conf
@@ -3,3 +3,5 @@ include snippets/security-headers-base.conf;
 add_header Content-Security-Policy "default-src 'none'; connect-src 'self' https://releases.grapheneos.org/; font-src 'self'; img-src 'self'; manifest-src 'self'; script-src 'self'; style-src 'self'; form-action 'none'; frame-ancestors 'none'; block-all-mixed-content; base-uri 'none'; require-trusted-types-for 'script'; trusted-types 'none'" always;
 
 add_header Permissions-Policy "accelerometer=(), ambient-light-sensor=(), autoplay=(), battery=(), camera=(), clipboard-read=(), clipboard-write=(), display-capture=(), document-domain=(), encrypted-media=(), fullscreen=(), gamepad=(), geolocation=(), gyroscope=(), hid=(), idle-detection=(), interest-cohort=(), magnetometer=(), microphone=(), midi=(), payment=(), picture-in-picture=(), publickey-credentials-get=(), screen-wake-lock=(), serial=(), speaker-selection=(), sync-xhr=(), usb=(), xr-spatial-tracking=()" always;
+
+add_header Document-Policy "document-domain=?0, document-write=?0, popups=?0, js-profiling=?0"