diff --git a/backend/web_worker/package-lock.json b/backend/web_worker/package-lock.json
index 3276885..ab69ea2 100644
--- a/backend/web_worker/package-lock.json
+++ b/backend/web_worker/package-lock.json
@@ -119,7 +119,7 @@
     },
     "acorn": {
       "version": "3.3.0",
-      "resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
       "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo="
     },
     "acorn-globals": {
@@ -1566,7 +1566,7 @@
     },
     "express": {
       "version": "4.16.3",
-      "resolved": "http://registry.npmjs.org/express/-/express-4.16.3.tgz",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.16.3.tgz",
       "integrity": "sha1-avilAjUNsyRuzEvs9rWjTSL37VM=",
       "requires": {
         "accepts": "~1.3.5",
@@ -1989,7 +1989,7 @@
     },
     "finalhandler": {
       "version": "1.1.1",
-      "resolved": "http://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
       "integrity": "sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==",
       "requires": {
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@@ -2306,7 +2306,7 @@
     },
     "http-errors": {
       "version": "1.6.3",
-      "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
       "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
       "requires": {
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@@ -2932,7 +2932,7 @@
     },
     "minimist": {
       "version": "0.0.8",
-      "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
       "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
     },
     "mkdirp": {
@@ -4086,15 +4086,20 @@
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         },
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-          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.0.tgz",
-          "integrity": "sha512-hczmV6bDgdaEbVqhAeVMM/jfUfzuEZHsQg6eOmLgJht6G3mPKMxYm75w2+qhAQZ+4X+1+ATZ+QFKeOZD5riHng==",
+          "version": "3.3.3",
+          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.3.tgz",
+          "integrity": "sha512-qOg87q1PMWWTeO01768Yh9ogn7chB9zkKtQnya41Y355S0UmpXgpcrFwAgjYJxu9BdKug5r5e9YtVSeWhKBUZg==",
           "requires": {
-            "component-emitter": "1.2.1",
+            "component-emitter": "~1.3.0",
             "debug": "~3.1.0",
             "isarray": "2.0.1"
           },
           "dependencies": {
+            "component-emitter": {
+              "version": "1.3.0",
+              "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
+              "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg=="
+            },
             "debug": {
               "version": "3.1.0",
               "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
@@ -4106,16 +4111,16 @@
             "ms": {
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               "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-              "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+              "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
             }
           }
         }
       }
     },
     "socket.io-parser": {
-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.0.tgz",
-      "integrity": "sha512-/G/VOI+3DBp0+DJKW4KesGnQkQPFmUCbA/oO2QGT6CWxU7hLGWqU3tyuzeSK/dqcyeHsQg1vTe9jiZI8GU9SCQ==",
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.2.tgz",
+      "integrity": "sha512-QFZBaZDNqZXeemwejc7D39jrq2eGK/qZuVDiMPKzZK1hLlNvjGilGt4ckfQZeVX4dGmuPzCytN9ZW1nQlEWjgA==",
       "requires": {
         "component-emitter": "1.2.1",
         "debug": "~4.1.0",
@@ -4133,7 +4138,7 @@
         "isarray": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
-          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+          "integrity": "sha512-c2cu3UxbI+b6kR3fy0nRnAhodsvR9dx7U5+znCOzdj6IfP3upFURTr0Xl5BlQZNKZjEtxrmVyfSdeE3O57smoQ=="
         }
       }
     },