diff --git a/specification/synapse/resource-manager/Microsoft.Synapse/preview/2019-06-01-preview/integrationRuntime.json b/specification/synapse/resource-manager/Microsoft.Synapse/preview/2019-06-01-preview/integrationRuntime.json
index 922f84cb0914..18ca3f0ae83b 100644
--- a/specification/synapse/resource-manager/Microsoft.Synapse/preview/2019-06-01-preview/integrationRuntime.json
+++ b/specification/synapse/resource-manager/Microsoft.Synapse/preview/2019-06-01-preview/integrationRuntime.json
@@ -1422,6 +1422,10 @@
           "type": "integer",
           "format": "int32",
           "minimum": 0
+        },
+        "cleanup": {
+          "description": "Cluster will not be recycled and it will be used in next data flow activity run until TTL (time to live) is reached if this is set as false. Default is true.",
+          "type": "boolean"
         }
       },
       "additionalProperties": {
diff --git a/specification/synapse/resource-manager/Microsoft.Synapse/preview/2021-06-01-preview/integrationRuntime.json b/specification/synapse/resource-manager/Microsoft.Synapse/preview/2021-06-01-preview/integrationRuntime.json
index 81291a264404..6249c5c97297 100644
--- a/specification/synapse/resource-manager/Microsoft.Synapse/preview/2021-06-01-preview/integrationRuntime.json
+++ b/specification/synapse/resource-manager/Microsoft.Synapse/preview/2021-06-01-preview/integrationRuntime.json
@@ -1470,6 +1470,10 @@
           "type": "integer",
           "format": "int32",
           "minimum": 0
+        },
+        "cleanup": {
+          "description": "Cluster will not be recycled and it will be used in next data flow activity run until TTL (time to live) is reached if this is set as false. Default is true.",
+          "type": "boolean"
         }
       },
       "additionalProperties": {