diff --git a/src/zcl/definition/cluster.ts b/src/zcl/definition/cluster.ts
index bba91cb2ee..a37a8b0146 100644
--- a/src/zcl/definition/cluster.ts
+++ b/src/zcl/definition/cluster.ts
@@ -2918,6 +2918,12 @@ const Cluster: {
                     {name: 'squawkinfo', type: DataType.uint8},
                 ],
             },
+            boschOutdoorSiren: {
+                ID: 240,
+                parameters: [
+                    {name: 'data', type: DataType.uint8},
+                ],
+            },
         },
         commandsResponse: {
         },