diff --git a/platform/firefox/manifest.json b/platform/firefox/manifest.json
index ad5d19487..ccafed27e 100644
--- a/platform/firefox/manifest.json
+++ b/platform/firefox/manifest.json
@@ -76,6 +76,18 @@
       ],
       "run_at": "document_idle",
       "all_frames": false
+    },
+    {
+      "matches": [
+        "https://github.com/uBlockOrigin/*",
+        "https://ublockorigin.github.io/*",
+        "https://*.reddit.com/r/uBlockOrigin/*"
+      ],
+      "js": [
+        "/js/scriptlets/updater.js"
+      ],
+      "run_at": "document_idle",
+      "all_frames": false
     }
   ],
   "default_locale": "en",
diff --git a/platform/opera/manifest.json b/platform/opera/manifest.json
index d5b02fb3e..abc0bda2e 100644
--- a/platform/opera/manifest.json
+++ b/platform/opera/manifest.json
@@ -62,6 +62,18 @@
       ],
       "run_at": "document_idle",
       "all_frames": false
+    },
+    {
+      "matches": [
+        "https://github.com/uBlockOrigin/*",
+        "https://ublockorigin.github.io/*",
+        "https://*.reddit.com/r/uBlockOrigin/*"
+      ],
+      "js": [
+        "/js/scriptlets/updater.js"
+      ],
+      "run_at": "document_idle",
+      "all_frames": false
     }
   ],
   "default_locale": "en",
diff --git a/platform/thunderbird/manifest.json b/platform/thunderbird/manifest.json
index 1e1908c24..cb7cccaab 100644
--- a/platform/thunderbird/manifest.json
+++ b/platform/thunderbird/manifest.json
@@ -49,6 +49,18 @@
       ],
       "run_at": "document_idle",
       "all_frames": false
+    },
+    {
+      "matches": [
+        "https://github.com/uBlockOrigin/*",
+        "https://ublockorigin.github.io/*",
+        "https://*.reddit.com/r/uBlockOrigin/*"
+      ],
+      "js": [
+        "/js/scriptlets/updater.js"
+      ],
+      "run_at": "document_idle",
+      "all_frames": false
     }
   ],
   "default_locale": "en",