diff --git a/dist/firefox/updates.json b/dist/firefox/updates.json
index 3d1492ec3..72ea093e8 100644
--- a/dist/firefox/updates.json
+++ b/dist/firefox/updates.json
@@ -3,9 +3,9 @@
   "uBlock0@raymondhill.net": {
    "updates": [
     {
-     "version": "1.59.1.20",
+     "version": "1.59.1.21",
      "browser_specific_settings": { "gecko": { "strict_min_version": "78.0" } },
-     "update_link": "https://github.com/gorhill/uBlock/releases/download/1.59.1b20/uBlock0_1.59.1b20.firefox.signed.xpi"
+     "update_link": "https://github.com/gorhill/uBlock/releases/download/1.59.1b21/uBlock0_1.59.1b21.firefox.signed.xpi"
     }
    ]
   }