diff --git a/ex4/result/package-lock.json b/ex4/result/package-lock.json
index 56c3eae..e879f96 100644
--- a/ex4/result/package-lock.json
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@@ -803,11 +759,6 @@
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-    "uid2": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/uid2/-/uid2-0.0.3.tgz",
-      "integrity": "sha1-SDEm4Rd03y9xuLY53NeZw3YWK4I="
-    },
     "unpipe": {
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       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -824,12 +775,9 @@
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
     "ws": {
-      "version": "6.1.4",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.4.tgz",
-      "integrity": "sha512-eqZfL+NE/YQc1/ZynhojeV8q+H050oR8AZ2uIev7RU10svA9ZnJUddHcOUZTJLinZ9yEfdA2kSATS2qZK5fhJA==",
-      "requires": {
-        "async-limiter": "~1.0.0"
-      }
+      "version": "7.4.2",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.2.tgz",
+      "integrity": "sha512-T4tewALS3+qsrpGI/8dqNMLIVdq/g/85U98HPMa6F0m6xTbvhXU6RCQLqPH3+SlomNV/LdY6RXEbBpMH6EOJnA=="
     },
     "xmlhttprequest-ssl": {
       "version": "1.5.5",