From 67508370806b09f6e8539c408a08bd2119366bd1 Mon Sep 17 00:00:00 2001
From: Michael <35783820+mib1185@users.noreply.github.com>
Date: Tue, 17 Aug 2021 01:30:49 +0200
Subject: [PATCH] Add device class update (#18733)

---
 source/_integrations/binary_sensor.markdown | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/_integrations/binary_sensor.markdown b/source/_integrations/binary_sensor.markdown
index ecc25da24fd..24416256067 100644
--- a/source/_integrations/binary_sensor.markdown
+++ b/source/_integrations/binary_sensor.markdown
@@ -66,6 +66,7 @@ The full list of supported binary sensor device classes is below
 - **safety**: `on` means unsafe, `off` means safe
 - **smoke**: `on` means smoke detected, `off` means no smoke (clear)
 - **sound**: `on` means sound detected, `off` means no sound (clear)
+- **update**: `on` means update available, `off` means up-to-date
 - **vibration**: `on` means vibration detected, `off` means no vibration (clear)
 - **window**: `on` means open, `off` means closed