From 4b7fc6c3e4b65e54dec4c582195722994e09574c Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Wed, 20 Jan 2021 22:28:29 +0000
Subject: [PATCH] Bump socket.io from 1.7.4 to 2.4.0

Bumps [socket.io](https://github.com/socketio/socket.io) from 1.7.4 to 2.4.0.
- [Release notes](https://github.com/socketio/socket.io/releases)
- [Changelog](https://github.com/socketio/socket.io/blob/2.4.0/CHANGELOG.md)
- [Commits](https://github.com/socketio/socket.io/compare/1.7.4...2.4.0)

Signed-off-by: dependabot[bot] <support@github.com>
---
 package-lock.json | 450 +++++++++++++++++++++++++++++++++++-----------
 package.json      |   2 +-
 2 files changed, 345 insertions(+), 107 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 9bc847e..6ca5ce8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -507,6 +507,7 @@
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.4.tgz",
       "integrity": "sha1-u13KOCu5TwXhUZQ3PRb9O6HKEQ0=",
+      "optional": true,
       "requires": {
         "delegates": "1.0.0",
         "readable-stream": "2.3.5"
@@ -909,7 +910,8 @@
     "base64id": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz",
-      "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY="
+      "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY=",
+      "dev": true
     },
     "batch": {
       "version": "0.6.1",
@@ -1358,7 +1360,8 @@
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/buffer-more-ints/-/buffer-more-ints-0.0.2.tgz",
       "integrity": "sha1-JrOIXRD6E9t/wBquOquHAZngEkw=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "buffer-shims": {
       "version": "1.0.0",
@@ -1990,7 +1993,8 @@
     "console-control-strings": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
-      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
+      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
+      "optional": true
     },
     "constants-browserify": {
       "version": "1.0.0",
@@ -2088,6 +2092,15 @@
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
+    "cors": {
+      "version": "2.8.5",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
+      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+      "requires": {
+        "object-assign": "^4",
+        "vary": "^1"
+      }
+    },
     "cosmiconfig": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-2.2.2.tgz",
@@ -2616,7 +2629,8 @@
     "delegates": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
-      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
+      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
+      "optional": true
     },
     "denodeify": {
       "version": "1.2.1",
@@ -2889,39 +2903,72 @@
       }
     },
     "engine.io": {
-      "version": "1.8.5",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-1.8.5.tgz",
-      "integrity": "sha512-j1DWIcktw4hRwrv6nWx++5nFH2X64x16MAG2P0Lmi5Dvdfi3I+Jhc7JKJIdAmDJa+5aZ/imHV7dWRPy2Cqjh3A==",
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.5.0.tgz",
+      "integrity": "sha512-21HlvPUKaitDGE4GXNtQ7PLP0Sz4aWLddMPw2VTyFz1FVZqu/kZsJUO8WNpKuE/OCL7nkfRaOui2ZCJloGznGA==",
       "requires": {
-        "accepts": "1.3.3",
-        "base64id": "1.0.0",
-        "cookie": "0.3.1",
-        "debug": "2.3.3",
-        "engine.io-parser": "1.3.2",
-        "ws": "1.1.5"
+        "accepts": "~1.3.4",
+        "base64id": "2.0.0",
+        "cookie": "~0.4.1",
+        "debug": "~4.1.0",
+        "engine.io-parser": "~2.2.0",
+        "ws": "~7.4.2"
       },
       "dependencies": {
-        "accepts": {
-          "version": "1.3.3",
-          "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.3.tgz",
-          "integrity": "sha1-w8p0NJOGSMPg2cHjKN1otiLChMo=",
+        "arraybuffer.slice": {
+          "version": "0.0.7",
+          "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.7.tgz",
+          "integrity": "sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog=="
+        },
+        "base64-arraybuffer": {
+          "version": "0.1.4",
+          "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.4.tgz",
+          "integrity": "sha1-mBjHngWbE1X5fgQooBfIOOkLqBI="
+        },
+        "base64id": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
+          "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog=="
+        },
+        "blob": {
+          "version": "0.0.5",
+          "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.5.tgz",
+          "integrity": "sha512-gaqbzQPqOoamawKg0LGVd7SzLgXS+JH61oWprSLH+P+abTczqJbhTR8CmJ2u9/bUYNmHTGJx/UEmn6doAvvuig=="
+        },
+        "cookie": {
+          "version": "0.4.1",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.1.tgz",
+          "integrity": "sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA=="
+        },
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "requires": {
-            "mime-types": "2.1.18",
-            "negotiator": "0.6.1"
+            "ms": "^2.1.1"
           }
         },
-        "debug": {
-          "version": "2.3.3",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
-          "integrity": "sha1-QMRT5n5uE8kB3ewxeviYbNqe/4w=",
+        "engine.io-parser": {
+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.2.1.tgz",
+          "integrity": "sha512-x+dN/fBH8Ro8TFwJ+rkB2AmuVw9Yu2mockR/p3W8f8YtExwFgDvBDi0GWyb4ZLkpahtDGZgtr3zLovanJghPqg==",
           "requires": {
-            "ms": "0.7.2"
+            "after": "0.8.2",
+            "arraybuffer.slice": "~0.0.7",
+            "base64-arraybuffer": "0.1.4",
+            "blob": "0.0.5",
+            "has-binary2": "~1.0.2"
           }
         },
         "ms": {
-          "version": "0.7.2",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
-          "integrity": "sha1-riXPJRKziFodldfwN4aNhDESR2U="
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+        },
+        "ws": {
+          "version": "7.4.2",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.2.tgz",
+          "integrity": "sha512-T4tewALS3+qsrpGI/8dqNMLIVdq/g/85U98HPMa6F0m6xTbvhXU6RCQLqPH3+SlomNV/LdY6RXEbBpMH6EOJnA=="
         }
       }
     },
@@ -3689,7 +3736,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
+          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+          "optional": true
         },
         "aproba": {
           "version": "1.1.1",
@@ -3740,7 +3788,8 @@
         "balanced-match": {
           "version": "0.4.2",
           "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-0.4.2.tgz",
-          "integrity": "sha1-yz8+PHMtwPAe5wtAPzAuYddwmDg="
+          "integrity": "sha1-yz8+PHMtwPAe5wtAPzAuYddwmDg=",
+          "optional": true
         },
         "bcrypt-pbkdf": {
           "version": "1.0.1",
@@ -3755,6 +3804,7 @@
           "version": "0.0.9",
           "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
           "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
+          "optional": true,
           "requires": {
             "inherits": "2.0.3"
           }
@@ -3763,6 +3813,7 @@
           "version": "2.10.1",
           "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
           "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
+          "optional": true,
           "requires": {
             "hoek": "2.16.3"
           }
@@ -3771,6 +3822,7 @@
           "version": "1.1.7",
           "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.7.tgz",
           "integrity": "sha1-Pv/DxQ4ABTH7cg6v+A8K6O8jz1k=",
+          "optional": true,
           "requires": {
             "balanced-match": "0.4.2",
             "concat-map": "0.0.1"
@@ -3779,7 +3831,8 @@
         "buffer-shims": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/buffer-shims/-/buffer-shims-1.0.0.tgz",
-          "integrity": "sha1-mXjOMXOIxkmth5MCjDR37wRKi1E="
+          "integrity": "sha1-mXjOMXOIxkmth5MCjDR37wRKi1E=",
+          "optional": true
         },
         "caseless": {
           "version": "0.12.0",
@@ -3796,12 +3849,14 @@
         "code-point-at": {
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-          "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
+          "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
+          "optional": true
         },
         "combined-stream": {
           "version": "1.0.5",
           "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.5.tgz",
           "integrity": "sha1-k4NwpXtKUd6ix3wV1cX9+JUWQAk=",
+          "optional": true,
           "requires": {
             "delayed-stream": "1.0.0"
           }
@@ -3809,22 +3864,26 @@
         "concat-map": {
           "version": "0.0.1",
           "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-          "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
+          "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
-          "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
+          "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-          "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
+          "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
+          "optional": true
         },
         "cryptiles": {
           "version": "2.0.5",
           "resolved": "https://registry.npmjs.org/cryptiles/-/cryptiles-2.0.5.tgz",
           "integrity": "sha1-O9/s3GCBR8HGcgL6KR59ylnqo7g=",
+          "optional": true,
           "requires": {
             "boom": "2.10.1"
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@@ -3864,7 +3923,8 @@
         "delayed-stream": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
-          "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
+          "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
+          "optional": true
         },
         "delegates": {
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@@ -3896,7 +3956,8 @@
         "extsprintf": {
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.0.2.tgz",
-          "integrity": "sha1-4QgOBljjALBilJkMxw4VAiNf1VA="
+          "integrity": "sha1-4QgOBljjALBilJkMxw4VAiNf1VA=",
+          "optional": true
         },
         "forever-agent": {
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@@ -3918,12 +3979,14 @@
         "fs.realpath": {
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           "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
-          "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
+          "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+          "optional": true
         },
         "fstream": {
           "version": "1.0.11",
           "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
           "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
+          "optional": true,
           "requires": {
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             "inherits": "2.0.3",
@@ -3979,6 +4042,7 @@
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           "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
           "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
+          "optional": true,
           "requires": {
             "fs.realpath": "1.0.0",
             "inflight": "1.0.6",
@@ -3991,7 +4055,8 @@
         "graceful-fs": {
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           "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.1.11.tgz",
-          "integrity": "sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg="
+          "integrity": "sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg=",
+          "optional": true
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         "har-schema": {
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@@ -4019,6 +4084,7 @@
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           "resolved": "https://registry.npmjs.org/hawk/-/hawk-3.1.3.tgz",
           "integrity": "sha1-B4REvXwWQLD+VA0sm3PVlnjo4cQ=",
+          "optional": true,
           "requires": {
             "boom": "2.10.1",
             "cryptiles": "2.0.5",
@@ -4029,7 +4095,8 @@
         "hoek": {
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           "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
-          "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0="
+          "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
+          "optional": true
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         "http-signature": {
           "version": "1.1.1",
@@ -4046,6 +4113,7 @@
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           "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
           "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+          "optional": true,
           "requires": {
             "once": "1.4.0",
             "wrappy": "1.0.2"
@@ -4054,7 +4122,8 @@
         "inherits": {
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           "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
-          "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
+          "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+          "optional": true
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@@ -4066,6 +4135,7 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+          "optional": true,
           "requires": {
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@@ -4079,7 +4149,8 @@
         "isarray": {
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           "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+          "optional": true
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         "isstream": {
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@@ -4152,12 +4223,14 @@
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           "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.27.0.tgz",
-          "integrity": "sha1-gg9XIpa70g7CXtVeW13oaeVDbrE="
+          "integrity": "sha1-gg9XIpa70g7CXtVeW13oaeVDbrE=",
+          "optional": true
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         "mime-types": {
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           "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.15.tgz",
           "integrity": "sha1-pOv1BkCUVpI3uM9wBGd20J/JKu0=",
+          "optional": true,
           "requires": {
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@@ -4166,6 +4239,7 @@
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           "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
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+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.7"
           }
@@ -4173,12 +4247,14 @@
         "minimist": {
           "version": "0.0.8",
           "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
+          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
+          "optional": true
         },
         "mkdirp": {
           "version": "0.5.1",
           "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
           "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
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@@ -4233,7 +4309,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
-          "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
+          "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
+          "optional": true
         },
         "oauth-sign": {
           "version": "0.8.2",
@@ -4251,6 +4328,7 @@
           "version": "1.4.0",
           "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
           "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -4280,7 +4358,8 @@
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+            "debug": "~3.1.0",
+            "engine.io-client": "~3.5.0",
+            "has-binary2": "~1.0.2",
+            "indexof": "0.0.1",
+            "parseqs": "0.0.6",
+            "parseuri": "0.0.6",
+            "socket.io-parser": "~3.3.0",
+            "to-array": "0.1.4"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "3.1.0",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+              "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+              "requires": {
+                "ms": "2.0.0"
+              }
+            },
+            "ms": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+              "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+            },
+            "socket.io-parser": {
+              "version": "3.3.2",
+              "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.2.tgz",
+              "integrity": "sha512-FJvDBuOALxdCI9qwRrO/Rfp9yfndRtc1jSgVgV8FDraihmSP/MLGD5PEuJrNfjALvcQ+vMDM/33AWOYP/JSjDg==",
+              "requires": {
+                "component-emitter": "~1.3.0",
+                "debug": "~3.1.0",
+                "isarray": "2.0.1"
+              }
+            }
+          }
+        },
+        "socket.io-parser": {
+          "version": "3.4.1",
+          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.1.tgz",
+          "integrity": "sha512-11hMgzL+WCLWf1uFtHSNvliI++tcRUWdoeYuwIl+Axvwy9z2gQM+7nJyN3STj1tLj5JyIUH8/gpDGxzAlDdi0A==",
+          "requires": {
+            "component-emitter": "1.2.1",
+            "debug": "~4.1.0",
+            "isarray": "2.0.1"
+          },
+          "dependencies": {
+            "component-emitter": {
+              "version": "1.2.1",
+              "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
+              "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
+            }
+          }
+        },
+        "ws": {
+          "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",
+          "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
+          "integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4="
         }
       }
     },
+    "socket.io-adapter": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-1.1.2.tgz",
+      "integrity": "sha512-WzZRUj1kUjrTIrUKpZLEzFZ1OLj5FwLlAFQs9kuZJzJi5DKdU7FsWc36SNmA8iDOtwBQyT8FkrriRM8vXLYz8g=="
+    },
     "socket.io-client": {
       "version": "1.7.4",
       "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-1.7.4.tgz",
@@ -11541,6 +11774,7 @@
       "resolved": "https://registry.npmjs.org/socks/-/socks-1.1.10.tgz",
       "integrity": "sha1-W4t/x8jzQcU+0FbpKbe/Tei6e1o=",
       "dev": true,
+      "optional": true,
       "requires": {
         "ip": "1.1.5",
         "smart-buffer": "1.1.15"
@@ -11551,6 +11785,7 @@
       "resolved": "https://registry.npmjs.org/socks-proxy-agent/-/socks-proxy-agent-2.1.1.tgz",
       "integrity": "sha512-sFtmYqdUK5dAMh85H0LEVFUCO7OhJJe1/z2x/Z6mxp3s7/QPf1RkZmpZy+BpuU0bEjcV9npqKjq9Y3kwFUjnxw==",
       "dev": true,
+      "optional": true,
       "requires": {
         "agent-base": "2.1.1",
         "extend": "3.0.1",
@@ -12410,6 +12645,7 @@
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
       "dev": true,
+      "optional": true,
       "requires": {
         "prelude-ls": "1.1.2"
       }
@@ -12525,7 +12761,8 @@
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.7.0.tgz",
       "integrity": "sha1-a7rwh3UA02vjTsqlhODbn+8DUgk=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "union-value": {
       "version": "1.0.0",
@@ -13940,6 +14177,7 @@
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.2.tgz",
       "integrity": "sha512-ijDLlyQ7s6x1JgCLur53osjm/UXUYD9+0PbYKrBsYisYXzCxN+HC3mYDNy/dWdmf3AwqwU3CXwDCvsNgGK1S0w==",
+      "optional": true,
       "requires": {
         "string-width": "1.0.2"
       }
diff --git a/package.json b/package.json
index c6dbcac..47aaaf4 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "http-status": "^1.0.1",
     "mongoose": "^4.9.7",
     "rxjs": "5.5.6",
-    "socket.io": "^1.7.4",
+    "socket.io": "^2.4.0",
     "socket.io-client": "^1.7.4",
     "zone.js": "^0.8.4"
   },