diff --git a/pkg/schema/workflow_schema.json b/pkg/schema/workflow_schema.json
index b65bf6ff4d0..8225d871898 100644
--- a/pkg/schema/workflow_schema.json
+++ b/pkg/schema/workflow_schema.json
@@ -1662,6 +1662,10 @@
           "url": {
             "type": "string-runner-context-no-secrets",
             "description": "The environment URL, which maps to `environment_url` in the deployments API."
+          },
+          "deployment": {
+            "type": "boolean",
+            "description": "When set to true, runs the workflow without creating a deployment object."
           }
         }
       }