diff --git a/source/_integrations/fortigate.markdown b/source/_integrations/fortigate.markdown
index 6a5028fcb9c..1d19660a35e 100644
--- a/source/_integrations/fortigate.markdown
+++ b/source/_integrations/fortigate.markdown
@@ -12,6 +12,10 @@ ha_domain: fortigate
 
 This is a FortiGate presence sensor based on device detection of the FortiGate API
 
+<div class='note warning'>
+This integration will be deprecated. Please use the [FortiOS](/integrations/fortios) integration.
+</div>
+
 ## FortiGate set up
 
 Configure the FortiGate with a USERNAME API user and assign its minimum rights profile: