diff --git a/homework-5/package.json b/homework-5/package.json
index a9e40ad48f67b96de5de610892a7396a54a68cbc..cc27cbe102e30831277b15914be9b787a731f7e2 100644
--- a/homework-5/package.json
+++ b/homework-5/package.json
@@ -39,6 +39,7 @@
       "!src/collections.js",
       "!src/arrayAccessObservation.js"
     ],
+    "maxWorkers": 1,
     "resetMocks": false,
     "restoreMocks": false,
     "setupFilesAfterEnv": [