--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -2228,19 +2228,19 @@ pref("services.settings.server", "https:
 // Blocklist preferences
 pref("extensions.blocklist.enabled", true);
 // OneCRL freshness checking depends on this value, so if you change it,
 // please also update security.onecrl.maximum_staleness_in_seconds.
 pref("extensions.blocklist.interval", 86400);
 // Required blocklist freshness for OneCRL OCSP bypass
 // (default is 1.25x extensions.blocklist.interval, or 30 hours)
 pref("security.onecrl.maximum_staleness_in_seconds", 108000);
-pref("extensions.blocklist.url", "https://blocklist.addons.mozilla.org/blocklist/3/%APP_ID%/%APP_VERSION%/%PRODUCT%/%BUILD_ID%/%BUILD_TARGET%/%LOCALE%/%CHANNEL%/%OS_VERSION%/%DISTRIBUTION%/%DISTRIBUTION_VERSION%/%PING_COUNT%/%TOTAL_PING_COUNT%/%DAYS_SINCE_LAST_PING%/");
-pref("extensions.blocklist.detailsURL", "https://www.mozilla.com/%LOCALE%/blocklist/");
-pref("extensions.blocklist.itemURL", "https://blocklist.addons.mozilla.org/%LOCALE%/%APP%/blocked/%blockID%");
+pref("extensions.blocklist.url", "https://blocklists.settings.services.mozilla.com/v1/blocklist/3/%APP_ID%/%APP_VERSION%/%PRODUCT%/%BUILD_ID%/%BUILD_TARGET%/%LOCALE%/%CHANNEL%/%OS_VERSION%/%DISTRIBUTION%/%DISTRIBUTION_VERSION%/%PING_COUNT%/%TOTAL_PING_COUNT%/%DAYS_SINCE_LAST_PING%/");
+pref("extensions.blocklist.detailsURL", "https://blocked.cdn.mozilla.net/");
+pref("extensions.blocklist.itemURL", "https://blocked.cdn.mozilla.net/%blockID%.html");
 // Controls what level the blocklist switches from warning about items to forcibly
 // blocking them.
 pref("extensions.blocklist.level", 2);
 // Blocklist via settings server (Kinto)
 pref("services.blocklist.changes.path", "/buckets/monitor/collections/changes/records");
 pref("services.blocklist.bucket", "blocklists");
 pref("services.blocklist.onecrl.collection", "certificates");
 pref("services.blocklist.onecrl.checked", 0);