diff --git a/extensions/python/user_message_ui/AGENTS.md b/extensions/python/user_message_ui/AGENTS.md
index 5755ea69d..2d9a3b706 100644
--- a/extensions/python/user_message_ui/AGENTS.md
+++ b/extensions/python/user_message_ui/AGENTS.md
@@ -11,7 +11,7 @@
 ## Local Contracts
 
 - Keep proactive UI messages relevant, non-spammy, and safe for display.
-- Keep update-available notifications visible until the user dismisses them.
+- Keep update-available notifications visible until the user dismisses them or opens the updater.
 - Do not expose local diagnostics or update data that should stay internal.
 
 ## Work Guidance
diff --git a/extensions/python/user_message_ui/_10_update_check.py b/extensions/python/user_message_ui/_10_update_check.py
index 00cf5fa2f..6d26c1d92 100644
--- a/extensions/python/user_message_ui/_10_update_check.py
+++ b/extensions/python/user_message_ui/_10_update_check.py
@@ -98,10 +98,22 @@ class UpdateCheck(Extension):
         if not self.agent:
             return
 
+        message = notif.get(
+            "message",
+            "A newer version of Agent Zero is available. Please update to the latest version.",
+        )
+        message = message.replace(
+            '<a href="#" @click.prevent="$store.selfUpdateStore.openModal()">Open updater</a>.',
+            '<div class="toast-action-row">'
+            '<button type="button" class="button confirm" '
+            '@click="$store.selfUpdateStore.openModal(); '
+            '$store.notificationStore.dismissToast(toast.toastId)">'
+            "Open updater</button></div>",
+        )
         notifs = self.agent.context.get_notification_manager()
         notifs.send_notification(
             title=notif.get("title", "Newer version available"),
-            message=notif.get("message", "A newer version of Agent Zero is available. Please update to the latest version."),
+            message=message,
             type=notif.get("type", "info"),
             detail=notif.get("detail", ""),
             display_time=0,
diff --git a/tests/test_download_toast_regressions.py b/tests/test_download_toast_regressions.py
index cdf5db3f1..291050e6e 100644
--- a/tests/test_download_toast_regressions.py
+++ b/tests/test_download_toast_regressions.py
@@ -88,6 +88,7 @@ def previous_non_space(source: str, index: int) -> str:
 
 def test_notification_store_supports_persistent_grouped_toasts():
     store = read("webui", "components", "notifications", "notification-store.js")
+    toast_stack = read("webui", "components", "notifications", "notification-toast-stack.html")
     api = read("api", "notification_create.py")
     plugins = read("helpers", "plugins.py")
     update_check = read("extensions", "python", "user_message_ui", "_10_update_check.py")
@@ -103,6 +104,10 @@ def test_notification_store_supports_persistent_grouped_toasts():
     assert 'id=notif.get("id", "update_check_available"),' in update_check
     assert "display_time=0," in plugins
     assert "display_time=0," in update_check
+    assert 'class="toast-action-row"' in update_check
+    assert 'class="button confirm"' in update_check
+    assert "$store.notificationStore.dismissToast(toast.toastId)" in update_check
+    assert ".toast-action-row" in toast_stack
 
 
 def test_backup_zip_downloads_emit_grouped_preparing_and_downloading_toasts():
diff --git a/webui/components/notifications/notification-toast-stack.html b/webui/components/notifications/notification-toast-stack.html
index 3a9fc29c1..7a002c6fc 100644
--- a/webui/components/notifications/notification-toast-stack.html
+++ b/webui/components/notifications/notification-toast-stack.html
@@ -150,6 +150,10 @@
             margin-bottom: 4px;
         }
 
+        .toast-action-row {
+            margin-top: 10px;
+        }
+
         .toast-timestamp {
             font-size: 0.75rem;
             color: var(--color-text);