diff --git a/packages/commons/src/types/utils.ts b/packages/commons/src/types/utils.ts
index 64a322020d..7da5fd17ab 100644
--- a/packages/commons/src/types/utils.ts
+++ b/packages/commons/src/types/utils.ts
@@ -53,7 +53,7 @@ export { isRecord, isString, isTruthy, isNullOrUndefined };
 
 type JSONPrimitive = string | number | boolean | null | undefined;
 type JSONValue = JSONPrimitive | JSONObject | JSONArray;
-type JSONObject = { [key: string]: JSONValue };
+type JSONObject = { [key: number | string]: JSONValue };
 type JSONArray = Array<JSONValue>;
 
 export type { JSONPrimitive, JSONValue, JSONObject, JSONArray };