diff --git a/plugins/cost-insights/config.d.ts b/plugins/cost-insights/config.d.ts
index e2387d62bd..61a54f76e2 100644
--- a/plugins/cost-insights/config.d.ts
+++ b/plugins/cost-insights/config.d.ts
@@ -24,7 +24,7 @@ export interface Config {
     /**
      * @visibility frontend
      */
-    engineerThreshold: number;
+    engineerThreshold?: number;
 
     /**
      * @visibility frontend