diff --git a/config.sample.json b/config.sample.json
index 8cbd04b839c..5ddc34b3fc9 100644
--- a/config.sample.json
+++ b/config.sample.json
@@ -12,6 +12,7 @@
     "disable_guests": false,
     "disable_login_language_selector": false,
     "disable_3pid_login": false,
+    "force_verification": false,
     "brand": "Element",
     "integrations_ui_url": "https://scalar.vector.im/",
     "integrations_rest_url": "https://scalar.vector.im/api",
diff --git a/docs/config.md b/docs/config.md
index 7e6c4f4cb55..af24d94819e 100644
--- a/docs/config.md
+++ b/docs/config.md
@@ -155,6 +155,7 @@ complete re-branding/private labeling, a more personalised experience can be ach
     3. `show_once`: Optional. If true then the notice will only be shown once per device.
 18. `help_url`: The URL to point users to for help with the app, defaults to `https://element.io/help`.
 19. `help_encrption_url`: The URL to point users to for help with encryption, defaults to `https://element.io/help#encryption`.
+20. `force_verification`: If true, users must verify new logins (eg. with another device / their security key)
 
 ### `desktop_builds` and `mobile_builds`